The device can be used to measure divided down high voltage nodes in a battery system. It can measure voltage across Fuse, Contactors and check isolation voltage in battery junction box (BJB) system. The device has two integrated current sense (BQ79731-Q1) paths supporting low side shunt resistor. Coulomb counting (BQ79731-Q1) function is available for accurate SOC calculation. There are 15 GPIOs/auxiliary inputs that can be used for HV measurements, thermistor measurements and driving relays. There are 4 SW outputs that can be used to drive MOSFET switches in the measurement path. The device can function as a SPI HUB and interface with upto 8 separate SPI devices/groups. Over current protection response can be achieved autonomously using HW Pins for fast protection in dangerous over current events. The isolated bi-directional daisy chain ports support both capacitor and transformer based isolation. The device can also communicate with MCU over SPI.
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The BQ79731Q1EVM evaluation module (EVM) also referred to as BMS060 describes the general features, theory of operation, hardware setup, and use of BQ7973x-Q1. These are highly integrated voltage, current and insulation resistance monitor devices primarily used in a battery junction box (BJB) (...)
| Paquete | Pasadores | Descargar |
|---|---|---|
| HTQFP (PHP) | 48 | Ver opciones |
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