BQ76907系列介绍资料

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BQ76907

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产品详情

Battery monitoring capability for 2-series to 7-series cells
Integrated low-side drivers for NFET protection with optional autonomous recovery
Extensive protection suite including voltage, temperature, current, and internal diagnostics
16-bit delta-sigma voltage ADC
- High accuracy cell voltage measurement of 4 mV (typical)
Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
- High-accuracy current measurement with low input offset error
- Wide-range current applications (±200-mV measurement range across sense resistor)
- 48-bit accumulated charge integrator with timer
Host-controlled cell balancing
Multiple power modes (typical battery pack operating range conditions)
- NORMAL mode: 32 µA to 175 µA
- SLEEP mode: 6 µA
- DEEPSLEEP mode: 2.7 µA
- SHUTDOWN mode: <1 µA
High-voltage tolerance of 45 V on cell connect and select additional pins
Support for temperature sensing using an internal sensor and an external thermistor
Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
400-kHz I2C serial communications with optional CRC support
Programmable LDO for external system usage
20-pin QFN (RGR) package

Number of series cells (min)	2
Vin (max) (V)	38.5
Features	Digital output, I2C support, Integrated ADC, LDO output, Low-Power Sleep Mode, Low-side driver, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overcurrent in charging protection, Overcurrent in discharging protection, Overtemperature protection, Overvoltage protection, Short-current detection, Sleep Mode, Temperature sensing, Undertemperature protection, Undervoltage protection
Device type	Cell monitor and balancer, Protector
Number of series cells (max)	7
Operating temperature range (°C)	-40 to 110
Rating	Catalog
Battery overvoltage protection (min) (V)	1
Battery overvoltage protection (max) (V)	5.5
Communication interface	I2C
Operating current (typ) (µA)	140

VQFN (RGR)

12.25 mm² 3.5 x 3.5

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