Automotive, mA-to-kA Range, Current Shunt Sensor Reference Design
Description
This reference design shows how to detect current from the mA-to-KA range using a busbar-type shunt resistor. The increasing demand of high-capacity batteries in electric vehicles (EVs) and hybrid electric vehicles (HEVs) drives the requirement for larger current spans and highly-accurate current sensors. Obtaining a good accuracy over three decades (mA to A, 1 A to 100 A, and 100 A to 1000 A) is quite challenging due to large amounts of noise in the system. This design solves this problem by using a high-resolution analog-to-digital converter (ADC) and high-accuracy current shunt monitors from TI.
Features
- Full-scale accuracy of: 0.02% full-scale range (FSR) for < 20A and < 0.05% FSR for 20A to 1500A at 25°C; 0.1% FSR for < 20A and 0.25% FSR for 20A to 1500A at 50°C
- Suitable for 50mA to 1500A range current measurement; configurable to varied current spans
- High-side sensing and low-side sensing
- Supports bi-directional current
- Bi-directional current measurement: -1500A to +1500A
Applications
- Battery Management System (BMS)
- DC/DC Converter
- Inverter & Motor Control
- On-Board (OBC) & Wireless Charger
- Powertrain Current Sensors
Product Categories
- Amplifiers
| Download the bill of materials for TIDA-03050 | Download |
Test Data
Get results faster with test and simulation data that's been verified.
Download the test file for TIDA-03050| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| TIDA-03050 Gerber | 26 Sep 2017 | ZIP | 419 | |
| TIDA-03050 PCB | 26 Sep 2017 | 511 | ||
| TIDA-03050 Assembly Drawing | 26 Sep 2017 | 103 | ||
| TIDA-03050 BOM | 26 Sep 2017 | 53 | ||
| TIDA-03050 Schematic and Block Diagram | 26 Sep 2017 | 302 |