Current Sensor ICs
High accuracy, high S/N Ratio, and the fastest response time in open-type current sensor ICs.
PRODUCTS
Asahi Kasei Microdevices, the leading company of magnetic sensors, provides long-awaited current sensor products 'Currentier' based on its accumulated experience and know-how.
'Currentier' is open-type current sensor ICs which have small package with more than 8mm of creeapage and clearance distance (compliant with UL61800-5-1), the world's highest accuracy,the highest S/N ratio, the widest measurable current range and the fastest response time (*).
With these advantages, we will offer the best current sensing solution to wide-ranging applications, such as inverter control, overcurrent detection, and electrical power detection.
* AKM's own investigation, among the open-type current sensors in the world
Clearance, Creepage distance ≧ 8.0mm
Ultra-high Accuracy
Coreless Current Sensor ICs
supporting 60Arms
CZ-370x series
CZ-3700, CZ-3701, CZ-3702, CZ-3703, CZ-3704, CZ-3705, CZ-3706
Corresponding to the UL safety standard UL61800-5-1 for industrial equipment, AKM has developed the CZ-370x series coreless current sensor ICs, which achieving both creepage distance and clearance distance greater than 8 mm.
With a wide current detection lineup from ±5.3 to ±180 Ap-p, 60 Arms, the CZ-370x series can be used for many applications including AC motors and general inverters.
- Clearance, creepage distance 8mm or more
- Ultra-high accuracy : 0.5%F.S. (Ta=0～90℃ Typ.)
- Quite small primary conductor resistance: 0.27mΩTyp.
- Fast response time : 1μs Typ.
| Product Name |
Linear Sensing Range (A) |
Sensitivity (mV/A) |
Temperature Drift of Sensitivity (%) *1 |
Temperature Drift of Zero-Current Output (mV) *1 |
|---|---|---|---|---|
| CZ-3700 | ±5.3 | 400 | ±0.6 | ±5.4 |
| CZ-3701 | ±10.7 | 200 | ±4.4 | |
| CZ-3702 | ±21.5 | 100 | ±3.8 | |
| CZ-3703 | ±36 | 60 | ±3.6 | |
| CZ-3704 | ±54 | 40 | ±3.5 | |
| CZ-3705 | ±86.4 | 25 | ±3.5 | |
| CZ-3706 | ±180 | 12 | ±3.4 |
*1 It is defined as the "average value ± 3σ" of the actual measurement result (Ta = 0 to 90 °C) in a certain lot.
Clearance, Creepage distance ≧ 8.0mm
Ultra-high Accuracy
Unipolar Coreless Current Sensor ICs
supporting 60Arms
CZ-372x series
CZ-3720, CZ-3721, CZ-3722, CZ-3723, CZ-3724, CZ-3725, CZ-3726
AKM develops new CZ-372x series of coreless current sensor ICs of the unipolar detection type suitable for power conditioners (DC side), and other applications.
When measuring current flowing in one direction, higher signal noise ratio can be achieved compared to the bipolar detection type. The main electorical properties of CZ-372x series are almost similar to those of CZ-370x series.
- Clearance, creepage distance 8mm or more
- High-accuracy: 1.0%F.S.(Ta=0～90℃ Typ.)
- Low heat generation
- Wide linear sensing range: 10.3～345.2A
| Product Name |
Linear Sensing Range (A) |
Sensitivity (mV/A) |
Temperature Drift of Sensitivity (%) *1 |
Temperature Drift of Zero-Current Output (mV) *1 |
|---|---|---|---|---|
| CZ-3720 | -0.4 ~ 10.3 |
400 | ±0.6 | ±5.4 |
| CZ-3721 | -0.8 ~ 20.6 |
200 | ±4.4 | |
| CZ-3722 | -1.7 ~ 41.3 |
100 | ±3.8 | |
| CZ-3723 | -2.9 ~ 68.8 |
60 | ±3.6 | |
| CZ-3724 | -4.4 ~ 103.4 |
40 | ±3.5 | |
| CZ-3725 | -7.1 ~ 165.8 |
25 | ±3.5 | |
| CZ-3726 | -14.9 ~ 345.2 |
12 | ±3.4 |
*1 It is defined as the "average value ± 3σ" of the actual measurement result (Ta = 0 to 90 °C) in a certain lot.
Clearance, Creepage distance ≧ 8.0mm
3.3V Output, High Accuracy
Coreless Current Sensor ICs
supporting 50Arms
CZ-3A0x series
CZ-3A01, CZ-3A02, CZ-3A03, CZ-3A04, CZ-3A05, CZ-3A06, CZ-3A07
Corresponding to the UL safety standard UL61800-5-1 for industrial equipment, AKM has developed the CZ-3A0x series coreless current sensor ICs, which achieves both creepage distance and clearance greater than 8mm.
With a wide current detection lineup from ±12.9 to ±129.1Ap-p, 50Arms, and two overcurrent detection circuits, the CZ-3A0x series can be used for many applications including AC motors and general-purpose inverters.
In addition, it is suitable for the systems which use 3.3V A/D converters for current sensor signal input.
- Creepage distance, clearance 8mm or more
- Low heat generation, 50Arms ± 12.9 ~ ± 129.1App
- 3.3V output
- Dual overcurrent detection function
| Product Name |
Linear Sensing Range (A) |
Sensitivity (mV/A) |
Supply Voltage (V) |
Output Voltage (V) |
Temperature Drift of Sensitivity (%) *1 |
Temperature Drift of Zero-Current Output (mV) *1 |
Total Accuracy (%F.S.) *2 |
Response Time (μs) |
|---|---|---|---|---|---|---|---|---|
| CZ-3A01 | ±12.9 | 120 |
3.3 | 3.3 | ±0.6 | ±2.8 | 0.2 (Typ.) 0.4 (Max.) |
1 |
| CZ-3A02 | ±15.5 | 100 |
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| CZ-3A03 | ±22.1 | 70 |
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| CZ-3A04 | ±32.2 | 48 |
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| CZ-3A05 | ±64.5 | 24 |
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| CZ-3A06 | ±103.3 | 15 |
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| CZ-3A07 | ±129.1 | 12 |
*1 It is defined as the "average value ± 3σ" of the actual measurement result (Ta = 35 to 85 °C) in a certain lot.
*2 The typical value is defined as the “average value ± 1σ” of the actual measurement result (Ta = 35 to 85 °C) in a certain lot. In the same manner, the minimum and maximum values are defined as the “average value ± 3σ” of the actual measurement result (Ta = 35 to 85 °C) in a certain lot.
Clearance, Creepage distance ≧ 8.0mm
3V Output, High Accuracy
Coreless Current Sensor ICs
supporting 50Arms
CZ-3AGx series
CZ-3AG1, CZ-3AG2, CZ-3AG3, CZ-3AG4, CZ-3AG5, CZ-3AG6, CZ-3AG7
Corresponding to the UL safety standard UL61800-5-1 for industrial equipment, AKM has developed the CZ-3AGx series coreless current sensor ICs, which achieves both creepage distance and clearance greater than 8mm.
With a wide current detection lineup from ±11.6 to ±116.4Ap-p, 50Arms, and two overcurrent detection circuits, the CZ-3AGx series can be used for many applications including AC motors and general-purpose inverters.
In addition, it is suitable for the systems which use 3V A/D converters for current sensor signal input.
- Creepage distance, clearance 8mm or more
- Low heat generation, 50Arms ± 11.6 ~ ± 116.6 App
- 3V output
- Dual overcurrent detection function
| Product Name |
Linear Sensing Range (A) |
Sensitivity (mV/A) |
Supply Voltage (V) |
Output Voltage (V) |
Temperature Drift of Sensitivity (%) *1 |
Temperature Drift of Zero-Current Output (mV) *1 |
Total Accuracy (%F.S.) *2 |
Response Time (μs) |
|---|---|---|---|---|---|---|---|---|
| CZ-3AG1 | ±11.6 | 120 |
5.0 |
3.0 | ±0.6 | ±2.8 | 0.2 (Typ.) 0.4 (Max.) |
3.6 |
| CZ-3AG2 | ±14.0 | 100 |
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| CZ-3AG3 | ±20.0 | 70 |
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| CZ-3AG4 | ±29.1 | 48 |
||||||
| CZ-3AG5 | ±58.3 | 24 |
||||||
| CZ-3AG6 | ±93.3 | 15 |
||||||
| CZ-3AG7 | ±116.6 | 12 |
*1 It is defined as the "average value ± 3σ" of the actual measurement result (Ta = 35 to 85 °C) in a certain lot.
*2 The typical value is defined as the “average value ± 1σ” of the actual measurement result (Ta = 35 to 85 °C) in a certain lot. In the same manner, the minimum and maximum values are defined as the “average value ± 3σ” of the actual measurement result (Ta = 35 to 85 °C) in a certain lot.
Small-sized, High Accuracy
Coreless Current Sensor ICs
supporting operation up to 125°C
CZ-381x series
CZ-3813, CZ-3814, CZ-3815
AKM has developed the CZ-381x series coreless current sensor ICs, which is suitable for the systems operated at high temperature.
The CZ-381x series is an open-type current sensor using Group III-V compound semiconductor Hall sensors, which enables the high-accuracy and high-speed current sensing. Coreless ultra-small surface mount package realizes the space-saving and suppresses heat generation. The CZ-381x series can be used up to operating ambient temperature 125°C.
- Maximam primary current: 40Arms
- High-accuracy: 0.7%F.S. (Typ.)
- Low temperature drift of zero-current output voltage : ±3mV (Typ.)
- Overcurrent detection (Programmable)
*1 It is defined as the "average value ± 1σ" of the actual measurement result (Ta = -40 to 125 °C) in a certain lot.
Ultra-low Noise
Coreless Current Sensor ICs
AK310x series
AK3101, AK3102, AK3103, AK3104, AK310H
AKM has developed ultra-low noise coreless current sensor ICs for improving audio quality of large sized speakers such as subwoofers.
The AK310x series is suitable for a system which controls voicecoil motion in speakers (Motional Feedback) by current feedback. This series can be used for controlling industrial motors, since it is certified to UL safety standards.
Lineup
Current Sensor ICs
Part Number |
Part Status |
Package Type (Mounting style) |
Maximum Effective Current [Arms] |
Linear Sensing Range (MIN.) [A] |
Linear Sensing Range (MAX.) [A] |
Sensitivity [mV/A] |
Response Time [μsec] |
Power Supply Voltage (MIN.) [V] |
Power Supply Voltage (TYP.) [V] |
Power Supply Voltage (MAX.) [V] |
Other |
Operating Temperature [℃] |
Device Package |
Number of Pins |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
▲
▼
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▲
▼
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▲
▼
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▲
▼
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▲
▼
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▲
▼
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▲
▼
|
▲
▼
|
▲
▼
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▲
▼
|
▲
▼
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▲
▼
|
▲
▼
|
▲
▼
|
▲
▼
|
AK310H |
MP |
SMD |
20 |
-42 |
42 |
50 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SOP |
14 |
|
CZ3700 |
MP |
SMD |
60 |
-5.3 |
5.3 |
400 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ2235 |
MP |
through hole type |
50 |
-85 |
85 |
15.5 |
1 |
2.7 |
3.3 |
3.63 |
-40 to 110 |
SIP |
7 |
|
CQ3202 |
MP |
SMD |
20 |
-21.1 |
21.1 |
62.5 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CZ3725 |
MP |
SMD |
60 |
-7.1 |
165.8 |
25 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ330A |
MP |
SMD |
20 |
-31.8 |
31.8 |
66 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ236B |
MP |
through hole type |
50 |
0 |
25 |
160 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CZ3814 |
MP |
SMD |
40 |
-50 |
50 |
40 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 125 |
SOP |
10 |
|
CQ209A |
MP |
SMD |
20 |
-31.8 |
31.8 |
66 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ330E |
MP |
SMD |
20 |
0 |
20.5 |
200 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ209B |
MP |
SMD |
20 |
-35 |
0 |
115 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CZ3A05 |
MP |
SMD |
50 |
-64.5 |
64.5 |
24 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CZ3A04 |
MP |
SMD |
50 |
-32.2 |
32.2 |
48 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CZ3726 |
MP |
SMD |
60 |
-14.9 |
345.2 |
12 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CZ3703 |
MP |
SMD |
60 |
-36 |
36 |
60 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ2332 |
MP |
through hole type |
50 |
-21 |
21 |
100 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CQ3303 |
MP |
SMD |
20 |
-35 |
35 |
60 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CZ3813 |
MP |
SMD |
40 |
-33 |
33 |
60 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 125 |
SOP |
10 |
|
AK3103 |
MP |
SMD |
20 |
-35 |
35 |
60 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SOP |
14 |
|
CZ3AG2 |
MP |
50 |
-14 |
14 |
100 |
3.6 |
4.5 |
5.0 |
5.5 |
-40 to 85 |
SOP |
10 |
||
CZ3706 |
MP |
SMD |
60 |
-180 |
180 |
12 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CZ3720 |
MP |
SMD |
60 |
-0.4 |
10.3 |
400 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ2065 |
MP |
through hole type |
50 |
-85 |
85 |
25 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ2093 |
MP |
SMD |
20 |
-35 |
35 |
60 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ2335 |
MP |
through hole type |
50 |
-85 |
85 |
25 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CQ320B |
MP |
SMD |
20 |
-1.1 |
20.9 |
120 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CQ330G |
MP |
SMD |
20 |
-4.5 |
4.5 |
450 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ2232 |
MP |
through hole type |
50 |
-21 |
21 |
62.5 |
1 |
2.7 |
3.3 |
3.63 |
-40 to 110 |
SIP |
7 |
|
CZ3702 |
MP |
SMD |
60 |
-21.5 |
21.5 |
100 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ206B |
MP |
through hole type |
50 |
0 |
45 |
90 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ330J |
MP |
SMD |
20 |
-2 |
42 |
82.7 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ3300 |
MP |
SMD |
20 |
-6.4 |
6.4 |
325 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CZ3AG6 |
MP |
SMD |
50 |
-93.3 |
93.3 |
15 |
3.6 |
4.5 |
5 |
5.5 |
-40 to 85 |
SOP |
10 |
|
AK3102 |
MP |
SMD |
20 |
-21 |
21 |
100 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SOP |
14 |
|
CZ3701 |
MP |
SMD |
60 |
-10.7 |
10.7 |
200 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ3201 |
MP |
SMD |
20 |
-10.1 |
10.1 |
130 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CZ3721 |
MP |
SMD |
60 |
-0.8 |
20.6 |
200 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CZ3722 |
MP |
SMD |
60 |
-1.7 |
41.3 |
100 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ3204 |
MP |
SMD |
20 |
-44 |
44 |
30 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CQ2234 |
MP |
through hole type |
50 |
-54 |
54 |
24.5 |
1 |
2.7 |
3.3 |
3.63 |
-40 to 110 |
SIP |
7 |
|
CQ2092 |
MP |
SMD |
20 |
-21 |
21 |
100 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CZ3723 |
MP |
SMD |
60 |
-2.9 |
68.8 |
60 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ206A |
MP |
through hole type |
50 |
-46 |
46 |
45 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ2064 |
MP |
through hole type |
50 |
-54 |
54 |
40 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CZ3704 |
MP |
SMD |
60 |
-54 |
54 |
40 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ330H |
MP |
SMD |
20 |
-42 |
42 |
50 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ2366 |
MP |
through hole type |
50 |
-170 |
170 |
12 |
1.5 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CZ3724 |
MP |
SMD |
60 |
-4.4 |
103.4 |
40 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CQ3302 |
MP |
SMD |
20 |
-21 |
21 |
100 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CZ3AG4 |
MP |
SMD |
50 |
-29.1 |
29.1 |
48 |
3.6 |
4.5 |
5 |
5.5 |
-40 to 85 |
SOP |
10 |
|
CZ3A07 |
MP |
SMD |
50 |
-129.1 |
129.1 |
12 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CQ3203 |
MP |
SMD |
20 |
-35.7 |
35.7 |
37 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CQ2334 |
MP |
through hole type |
50 |
-54 |
54 |
40 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CZ3705 |
MP |
SMD |
60 |
-86.4 |
86.4 |
25 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 105 |
SOP |
10 |
|
CZ3AG1 |
MP |
SMD |
50 |
-11.6 |
11.6 |
120 |
3.6 |
4.5 |
5 |
5.5 |
-40 to 85 |
SOP |
10 |
|
CZ3AG5 |
MP |
SMD |
50 |
-58.3 |
58.3 |
24 |
3.6 |
4.5 |
5 |
5.5 |
-40 to 85 |
SOP |
10 |
|
CQ330F |
MP |
SMD |
20 |
-2 |
42 |
80 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CZ3815 |
MP |
SMD |
40 |
-60 |
60 |
33.3 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 125 |
SOP |
10 |
|
CZ3A03 |
MP |
SMD |
50 |
-22.1 |
22.1 |
70 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CQ330B |
MP |
SMD |
20 |
0 |
21 |
195 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CQ2333 |
MP |
through hole type |
50 |
-35 |
35 |
60 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 110 |
SIP |
7 |
|
CQ3200 |
MP |
SMD |
20 |
-8.5 |
8.5 |
155 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CQ320A |
MP |
SMD |
20 |
-29.3 |
29.3 |
45 |
0.5 |
2.7 |
3.3 |
3.63 |
-40 to 90 |
VSOP |
10 |
|
CQ2063 |
MP |
through hole type |
50 |
-35 |
35 |
60 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CQ3301 |
MP |
SMD |
20 |
-10.7 |
10.7 |
195 |
0.5 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
VSOP |
10 |
|
CZ3AG3 |
MP |
50 |
-20.0 |
20.0 |
70 |
3.6 |
4.5 |
5.0 |
5.5 |
-40 to 85 |
SOP |
10 |
||
CQ2233 |
MP |
through hole type |
50 |
-35 |
35 |
37.5 |
1 |
2.7 |
3.3 |
3.63 |
-40 to 110 |
SIP |
7 |
|
CZ3A02 |
MP |
SMD |
50 |
-15.5 |
15.5 |
100 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CQ209D |
MP |
SMD |
20 |
-41 |
41 |
50 |
1 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SIP |
7 |
|
CZ3A01 |
MP |
SMD |
50 |
-12.9 |
12.9 |
120 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CZ3A06 |
MP |
SMD |
50 |
-103.3 |
103.3 |
15 |
1 |
3.0 |
3.3 |
3.6 |
-40 to 85 |
SOP |
10 |
|
CZ3AG7 |
MP |
50 |
-116.6 |
116.6 |
12 |
3.6 |
4.5 |
5.0 |
5.5 |
-40 to 85 |
SOP |
10 |
||
AK3101 |
MP |
SMD |
20 |
-10.7 |
10.7 |
195 |
2 |
4.5 |
5.0 |
5.5 |
-40 to 90 |
SOP |
14 |