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The MC33771BSP1AE is a lithium-ion battery controller IC for automotive and industrial control applications such as HEV, EV, ESS and UPS systems.

Features:

 9.6 V ≤ VPWR ≤ 61.6 V operating voltage, 75 V transient voltage

7 to 14 cell management

Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI

Addressable at initialisation

0.8 mV maximum total voltage measurement error

Synchronised cell voltage/current measurement with coulomb counting

Total stack voltage measurement

Seven GPIO/temperature sensor inputs

5.0 V reference supply output at 5.0 mA

Automatic overvoltage/undervoltage and temperature detection with routing to fault pins

Integrated sleep mode over/under voltage and temperature monitoring

On-board 300 mA passive battery balance with diagnostics

Hot-swap capability

Detection of internal and external faults such as line opens, shorts and leaks

Designed to support ISO 26262 and ASIL D safety systems

Fully compatible with MC33772 and supports up to six battery cells

AEC-Q100 compliant

MC33771BSP1AE specification:

Product Category: Battery Management

Product: Charge Management

Battery Type: Lithium-ion

Output Voltage: 5 V

Output Current: 5 mA

Operating supply voltage: 9.6 V to 61.6 V

Package / Case: QFP-64

Mounting style: SMD/SMT

Series: MC33771B

Applications:

Automotive: 48 V and high voltage battery packs

Electric bicycles, electric motorbikes

Energy storage systems

Uninterruptible Power Supplies (UPS)

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