Voltage and Current Measurement Reference Design for Automotive On-Board Charger System
Description
This reference design uses our current shunt amplifiers: operational amplifiers (op amp): ADCs and digital isolators to provide current and voltage measurement for an on-board charger in a hybrid-electric/electric vehicle. The measured current and voltage can be used as control signals for battery-charging optimization. The design is capable of measuring high-side current up to 400-V common-mode voltage while being isolated from the AC portion of the charging circuit to reduce noise.
Features
- High-side current monitoring up to 400-V common-mode and enables short-to-ground protectionLess than 5% current-measurement error for the whole charging current range 1 A to 10 ALess than 10-µS over-current detectionUp to 400-V voltage monitoring with less than 5% errorLess than 10-µS voltage step detection2000-V safety isolation
Applications
- Oscilloscopes & digitizers
- Aircraft cockpit display
- Interconnect/distribution box
- Data acquisition (DAQ)
- Laser distance meter
- DC fast charging station
- Programmable DC power supply
- DC fast charging power module
- Wireless EV charging station
- Circuit breaker (ACB
- MCCB
- VCB)
- DC wallbox charger
Product Categories
- Amplifiers
| Part Number | Name | Companion Part | |
|---|---|---|---|
| ADS1115-Q1 | ADS1115-Q1 | Buy Datasheet | |
| INA138-Q1 | INA138-Q1 | Buy Datasheet | |
| TLC2272A-Q1 | TLC2272A-Q1 | Buy Datasheet |
| Download the bill of materials for TIDA-00456 | Download |
Design File
Download ready-to-use system files to speed your design process. Get Viewer.
Download the design file for TIDA-00456Test Data
Get results faster with test and simulation data that's been verified.
Download the test file for TIDA-00456| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| TIDA-00456 Gerber | 30 Dec 2015 | ZIP | 2345 | |
| TIDA-00456 BOM | 30 Dec 2015 | 217 | ||
| TIDA-00456 Schematic | 30 Dec 2015 | 162 |