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ISL94202

Renesas
Part Number ISL94202
Manufacturer Renesas
Description Standalone 3 to 8 Cell Li-Ion Battery Pack Monitor
Published May 21, 2019
Detailed Description Datasheet ISL94202 Standalone 3 to 8 Cell Li-Ion Battery Pack Monitor The ISL94202 is a battery pack monitor IC that s...
Datasheet PDF File ISL94202 PDF File

ISL94202
ISL94202

Overview
Datasheet ISL94202 Standalone 3 to 8 Cell Li-Ion Battery Pack Monitor The ISL94202 is a battery pack monitor IC that supports from three to eight series connected cells.
It provides complete battery monitoring and pack control.
The ISL94202 provides automatic shutdown and recovery from out-of-bounds conditions and automatically controls pack cell balancing.
The ISL94202 is highly configurable as a stand-alone unit, but can be used with an optional external Microcontroller (MCU), which communicates to the ISL94202 through an I2C interface.
The ISL94202 supersedes the ISL94203 for all future designs, as the ISL94202 operates in both parallel and series power FET configurations.
Applications • Power tools • Battery back-up systems • Light electric vehicles • Portable equipment • Energy storage systems • Solar farms • Medical equipment • Hospital beds • Monitoring equipment • Ventilators Features • Eight cell voltage monitors support Li-ion CoO2, Li-ion Mn2O4, Li-ion FePO4, and other chemistries • Stand-alone pack control - no MCU needed • Multiple voltage protection options (each programmable to 4.
8V; 12-bit digital value) and selectable overcurrent protection levels • Programmable detection/recovery times for overvoltage, undervoltage, overcurrent, and short-circuit conditions • Configuration/calibration registers maintained in EEPROM • Open Wire battery connection detection • Integrated charge/discharge FET drive circuitry with built-in charge pump supports high-side N-channel FETs • Cell balancing uses external FETs with internal state machine or an optional external MCU • Enters low power states after periods of inactivity ○ Charge or discharge current detection resumes normal scan rates Related Literature For a full list of related documents, visit our website: • ISL94202 device page P+ 43V 43V CS1 CS2 CFET PCFET VDD DFET C1 C2 C3 LDMON CHMON GND FN8889 Rev.
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00 Oct.
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19 VBATT VC8 CB8 VC7 CB7 VC6 CB6 VC5 CB5 VC4 CB4 VC3 CB3 VC2 CB2 VC1 CB1 VC0 VSS ISL9420...


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