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BQ79652PAPRQ1 12-series precision battery monitor for sale

Time:2023-03-24   Views:

Shenzhen Meiyuxin Technology Co., Ltd. [distributing automotive chips] sells BQ79652PAPRQ1 ASIL-D compliant automotive 12-series precision battery monitors, balancers, and current sensors Quality assurance! ! !


Product Description:

The BQ79652PAPRQ1 family of devices provides high-accuracy battery voltage measurements of 6S to 12S (BQ79652-Q1), 14S (BQ79654-Q1), or 16S (BQ79656-Q1) battery modules in less than 200µs, while supporting shunt resistors tor current sense measurement. With the integrated front-end filter, the system can be implemented using a simple, low voltage rated differential RC filter on the battery input channel. An integrated post-ADC low-pass filter enables filtered, DC-like voltage measurements. The devices also support integrated current sensing, optionally synchronized with battery voltage measurement for better state-of-charge (SOC) calculation. The device supports autonomous internal cell balancing and automatically suspends and resumes balancing by monitoring temperature to avoid overheating conditions.


The isolated bidirectional daisy-chain port included in the BQ79652PAPRQ1 supports isolation via capacitors and transformers and allows the use of the most efficient components for centralized or distributed architectures commonly found in xEV powertrain systems. The device also contains eight GPIOs or auxiliary inputs to perform external thermistor measurements.


The host communication of the BQ79652PAPRQ1 series device can be connected through the device's dedicated UART interface or the communication bridge device BQ79600. Additionally, an isolated differential daisy-chain communication interface allows the host to communicate with the entire battery pack through a single interface. In the event of a communication line interruption, the daisy-chain communication interface can be configured as a ring architecture, allowing the host to communicate with devices at both ends of the stack.


Product parameters:

• Qualified for automotive applications

• Offers the following AEC-Q100 qualified characteristics:

– Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range

– Device HBM ESD Classification Level 2

– Device CDM ESD classification level C4B

• Compliance with functional safety standards

– Specifically developed for functional safety applications

– Documentation to assist with ISO 26262 system design

– System meets ASIL D requirements

– Hardware meets ASIL D requirements

• +/- 1.5mV ADC Accuracy

• Device families with compatible pin/package and software:

– Stackable Monitor 16S (BQ79616-Q1, BQ79656-Q1), 14S (BQ79614-Q1, BQ79654-Q1) and 12S (BQ79612-Q1, BQ79652-Q1)

– Standalone Monitor 48V System (BQ75614-Q1)

• Supports current sense measurements

• Built-in redundant paths for voltage, temperature and current diagnostics

• Highly Accurate Battery Voltage Measurements on All Battery Channels in 128µs

• Integrated post-ADC configurable digital low-pass filter

• Supports bus bar connection and measurement

• Built-in hardware reset function controlled by host to simulate POR-like device reset

• Supports internal cell balancing

– 240mA Balance Current

– Built-in balanced thermal management with automatic pause and resume control

• Isolated differential daisy-chain communication with optional ring architecture

• Embedded fault and heartbeat signals transmitted over communication lines

• 5V LDO output to power external digital isolator

• UART/SPI host interface/communication bridge device BQ79600-Q1

• Built-in SPI master


Application:

• Battery management systems (BMS) in hybrid and electric powertrains

• Energy storage battery pack with battery management system

• Electric bicycles, electric scooters

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If you have any needs, please contact Mr. Zhong:

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Email: szmyxdz@163.com

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