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About AKM
CQ36 series
Coreless Current Sensor with ΣΔ Digital Output - Optimized for AC Servo Amplifiers and Robots
Significantly Reduces Heat Generation and Contributes to System Miniaturization
CQ36 series
Overview
- Digital ΣΔ output
- Low resistance
- Low noise
The CQ36 contributes to:
- System miniaturization
- Low heat generation
- Precise torque control of robots
The CQ36 series has a built-in ΣΔ modulator that can replace both shunt resistor + isolated ADC a single component.
It is highly compatible with AC servo amplifiers and robots while contributing to system miniaturization.
Features
1. System downsizing
The current sensor and ΣΔ modulator are integrated into a single package.
System downsizing can be achieved by omitting the necessary parts required for the conventional solution with a shunt resistor and an isolated ADC.
No isolated power supply is required on the high-voltage side.
2. Low heat generation
AKM has developed a unique package to achieve a low primary conductor resistance of 0.27mΩ.
Compared to shunt resistors, this reduces heat generation, making thermal design easier.
3. Precise Torque control for AC servo amplifiers and robots
A low noise performance is achieved by leveraging the high sensitivity of compound Hall elements. This contributes to the precise torque control required for AC servo amplifiers and robots.
Applications
- AC Servo amplifiers
- Multi-axis robots
- Collaborative Robots
- Well-suited for applications requiring isolation, reduced heat generation, and system miniaturization.
(Example: Suitable as a replacement for shunt + isolated ADC configurations.)
Product Information
CQ36 Series Block Diagram
| Series | CQ36 Series |
|---|---|
| Current Sensor Type | Coreless Current Sensor IC Currentier |
| Package Size [mm] | 12.7 x 10.9 x 2.25 |
| Package Type | Small-Sized Surface Mount Package (SMD) |
| Power Supply Voltage [V] | AVDD = 5.0 DVDD =3.3 |
| Operating Temperature [℃] | -40 to 125 |
| Maximum Primary Current [Arms] | 60 |
| Working Voltage [Vrms] (Pollution Degree=2) | 557 (Reinforced Insulation) |
| Creepage / Clearance Distance (Min.) [mm] | 8.0 |
| Primary Conductor Resistance (Typ.) [mΩ] | 0.27 |
| Isolation Voltage [kVrms] | 5 (AC50Hz, 60s) |
| Stray Magnetic Field Reduction | Yes |
| Ratiometric / Non-Ratiometric | Non-Ratiometric |
| Safety Standards | IEC/UL62368-1 Certified UL1577 Certified |
| Pb Free | Yes |
| Halogen Free | Yes |
| MSL | MSL2a |
| Packing | Tape |
| Minimum Order Quantity [pcs.] | 1000 |
| Part Status | MP |
Example of replacement for shunt + isolated ADC
Lineup / Datasheet
| Product Name | CLK type |
| Linear Sensing Range | Sensitivity | Temperature Drift of Sensitivity *1 | Temperature Drift of Zero-Current Output *1 | Total Accuracy *2 | Datasheet Download (PDF) |
|---|---|---|---|---|---|---|---|---|
| [A] | [%/A] | [%] | [%F.S.] | [%F.S.] | ||||
| CQ-3601 | Input | 20 | ±10.5 | 4 | 0.8 | ±0.04 | 0.9 | CQ-360x DS |
| CQ-3602 | Input | 20 | ±21 | 2 | 0.8 | ±0.02 | 0.8 | |
| CQ-3603 | Input | 20 | ±42 | 1 | 0.8 | ±0.01 | 0.8 | |
| CQ-3604 | Input | 20 | ±60 | 0.7 | 0.8 | ±0.01 | 0.8 | |
| CQ-3605 | Input | 20 | ±84 | 0.5 | 0.8 | ±0.01 | 0.8 | |
| CQ-3606 | Input | 20 | ±168 | 0.25 | 0.8 | ±0.01 | 0.9 | |
| CQ-3611 | output | 20 | ±10.5 | 4 | 0.8 | ±0.04 | 0.9 | CQ-361x DS |
| CQ-3612 | output | 20 | ±21 | 2 | 0.8 | ±0.02 | 0.8 | |
| CQ-3613 | output | 20 | ±42 | 1 | 0.8 | ±0.01 | 0.8 | |
| CQ-3614 | output | 20 | ±60 | 0.7 | 0.8 | ±0.01 | 0.8 | |
| CQ-3615 | output | 20 | ±84 | 0.5 | 0.8 | ±0.01 | 0.8 | |
| CQ-3616 | output | 20 | ±168 | 0.25 | 0.8 | ±0.01 | 0.9 | |
| CQ-3621 | Input | 10 | ±10.5 | 4 | 0.8 | ±0.04 | 0.9 | CQ-362x DS |
| CQ-3622 | Input | 10 | ±21 | 2 | 0.8 | ±0.02 | 0.8 | |
| CQ-3623 | Input | 10 | ±42 | 1 | 0.8 | ±0.01 | 0.8 | |
| CQ-3624 | Input | 10 | ±60 | 0.7 | 0.8 | ±0.01 | 0.8 | |
| CQ-3625 | Input | 10 | ±84 | 0.5 | 0.8 | ±0.01 | 0.8 | |
| CQ-3626 | Input | 10 | ±168 | 0.25 | 0.8 | ±0.01 | 0.9 | |
| CQ-3631 | output | 10 | ±10.5 | 4 | 0.8 | ±0.04 | 0.9 | CQ-363x DS |
| CQ-3632 | output | 10 | ±21 | 2 | 0.8 | ±0.02 | 0.8 | |
| CQ-3633 | output | 10 | ±42 | 1 | 0.8 | ±0.01 | 0.8 | |
| CQ-3634 | output | 10 | ±60 | 0.7 | 0.8 | ±0.01 | 0.8 | |
| CQ-3635 | output | 10 | ±84 | 0.5 | 0.8 | ±0.01 | 0.8 | |
| CQ-3636 | output | 10 | ±168 | 0.25 | 0.8 | ±0.01 | 0.9 |
[Notes]
*1 It is defined as the "average value ± 1σ" of the actual measurement result (Ta = -10~85℃) in a certain lot.
*2 The typical value is defined as the “average value ± 1σ” of the actual measurement result (Ta = -10~85℃) 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 = 0 to 90 °C) in a certain lot.
Technical information
You can use useful simulation or calculation tools for your design.Please note that you are required to register your information when using some of those tools.
Application Note
Download our guide to the CQ36 series for key insights and design tips.
PCB Design Kit
We provide evaluation board Gerber data, PCB symbol, footprint, and 3D model.
ZIP (1.43MB)
IBIS model
We provide IBIS model for CQ36 series.
ZIP
MATLAB Simulation Model
We provide MATLAB/Simulink simulation models
Comming soon
FAQ
Product-related FAQs
Quality Data
The AKM Group prepares quality data.
Certified with safety standards
The CQ36 series has UL62368, IEC62368, and UL1577 certifications. You can download a detailed PDF file below.
Design Support
You can use useful simulation or calculation tools for your design.Please note that you are required to register your information when using some of those tools.
Series lineup
| Application | Supply Voltage | Output Voltage | Maximum Primary Current | Measurement Range | Ratiometric/ Non-Ratiometric | Creepage Clearance | Working Voltage * | Product Series | Part Status |
|---|---|---|---|---|---|---|---|---|---|
| (V) | (V) | (Arms) | (Apeak) | (mm) | (Vrms) | ||||
| Industrial | 5.0 | 5.0 | 100 | ± 115 to ± 225 | Ratiometric | ≧ 8.0 | 1118 | CZ375 Series | MP |
| 60 | ± 5.3 to ± 180 | CZ370 Series | MP | ||||||
| 0 to 345.2 | CZ372 Series | MP | |||||||
| 3.0 | 50 | ± 11.6 to ± 166.6 | Non-Ratiometric | CZ3A Series | MP | ||||
| 3.3 | 3.3 | ± 12.9 to ± 129.1 | |||||||
| AVDD=5.0V DVDD=3.3V | 60 | ± 10.5 to ± 168.0 | CQ36 Series (ΣΔ digital output) | MP | |||||
| Automotive / Industrial | 5.0 | 5.0 | 40 | ± 20.9 to ± 154.0 | Ratiometric | ≧ 7.2 | 1013 | CZ39 Series | MP |
* Pollution Degree II with basic insulation
Inquiries about Current Sensors
For any inquiries regarding products, samples, technology, consultations, estimates, or purchases, please feel free to contact us.