Datasheet Details
| Part number | LTC2949 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 3.27 MB |
| Description | Current / Voltage and Charge Monitor |
| Datasheet | LTC2949-AnalogDevices.pdf |
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Overview: LTC2949 Current, Voltage, and Charge Monitor for High Voltage Battery.
| Part number | LTC2949 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 3.27 MB |
| Description | Current / Voltage and Charge Monitor |
| Datasheet | LTC2949-AnalogDevices.pdf |
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|
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n Measures Battery Stack Voltage, Current and Power n Indicates Accumulated Battery Charge and Energy n 20-Bit Current Measurement with <1μV Offset n Built-In Isolated isoSPI™ or SPI Interface n LTC68xx/ADBMS68xx Compatible, Supports Synchronous Measurements with Cell Monitors n Up to 12 Buffered Voltage Measurement Inputs n Up to 5 GPIOs, Configurable to Drive Ground, Supply or Toggling at 400kHz n High or Low Side Current Sense n 0.3% Current and Voltage Accuracy n 1% Energy and Charge Accuracy n True Average ADCs n I2C EEPROM Interface to Store Board Calibration Factors n Threshold Registers for all Measured Quantities n Engineered for ISO26262 Compliant Systems n Open Wire Detection on Input Pins n Available in 48-Lead LQFP Package n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Electric and Hybrid Vehicles n Isolated Current Sensing n Backup Battery Systems n High Power Portable Equipment All registered trademarks and trademarks are the property of their respective owners.
The LTC®2949 is a high precision current, voltage, temperature, charge and energy meter for electrical and hybrid vehicles and other isolated current sense applications.
It infers charge and energy flowing in and out of the battery pack by monitoring simultaneously the voltage drop over up to two sense resistors and the battery pack voltage.
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