Datasheet ISL94216 16-Cell Battery Front End The ISL94216 is a 16-cell Battery Front End (BFE) IC, Features an essential component of any Battery Management High hot plug rating: 62V System (BMS), which periodically scans battery V accuracy: 5mV status and the operating environment to optimize CELL battery life and prevent catastrophic failures. I accuracy: 0.2% PACK A differential multiplexer and 16-bit ADC allows for 16-bit V and I measurements CELL PACK accurate monitoring of cell voltage, temperature, and Charge/Load wakeup detection circuitry load current for management of the overall state of the battery pack. 4-pin GPIO port 2 Integrated 3.3V regulator The ISL94216 supports I C, SPI, and Single Wire protocols allowing customers to connect an MCU in a 2 Supports I C, SPI, and Single Wire communications proprietary battery management solution. Applications Low current consumption with an average IDLE mode current of 200A and a SHIP mode current of less Light electric vehicles such as e-bikes, e-scooters, than 18A maximizes the storage and discharge life and e-motorcycles of a battery pack. Cordless power and gardening tools The ISL94216 features internal cell balancing circuitry Home appliances that provides 8mA of balance current per cell. 24V, 36V, 42V, and 48V portable battery packs External cell balancing for higher currents is also supported. Telecom and server farms This 16-cell high voltage BFE IC is offered in an Solar farms efficient 64 Ld QFN package with a thermal pad. Energy storage systems FN8936 Rev.3.00 Page 1 of 139 Sep 1, 2021 2020 Renesas ElectronicsISL94216 Contents 1. Overview 4 1.1 Typical Application 4 1.2 Block Diagram . 5 1.3 Ordering Information . 6 1.4 Pin Configurations 7 1.5 Pin Descriptions 7 2. Specifications . 10 2.1 Absolute Maximum Ratings 10 2.2 Thermal Information .11 2.3 Recommended Operation Conditions 11 2.4 Electrical Specifications . 12 3. Typical Performance Curves . 21 4. System Registers 34 4.1 IC Device Details 37 4.2 Global IC Controls . 37 4.3 V and I Measurement 39 CELL PACK 4.4 V Fault Detectors . 44 CELL 4.5 I Fault Detectors . 47 PACK 4.6 ETAUX Port . 54 4.7 0x12 ALRT and GPIO . 55 4.8 ETAUX Detectors 57 4.9 Internal Temperature 59 4.10 Regulator Measurements and Detectors 60 4.11 VBAT1 . 64 4.12 Power FET Block 68 4.13 Cell Balancing Registers . 71 4.14 System Faults and Status 77 5. Pin Functionality . 88 5.1 VCn Pins . 88 5.2 CBn Pins . 88 5.3 CSP and CSN Pins (24, 25) 89 5.4 VSS Pin (26) 90 5.5 AUX0/xT0, VTEMP, AUX1/xT1 Pins (27, 29, 28) 90 5.6 Regulator and Supply Pins (30-33) . 91 5.7 CMS0 and CMS1 Pins (34, 35) . 92 5.8 DGND Pin (36) 92 5.9 V2P5 Pin (37) . 92 5.10 RESET Pin (38) . 92 5.11 WAKEUP Pin (39) 93 5.12 ALRT Pin (40) . 93 5.13 ADDR/CS Pin (41) . 93 5.14 SCL Pin (42) 93 5.15 MOSI Pin (43) . 93 5.16 MISO/SDA/SINGLE-WIRE Pin (44) 93 5.17 GPIO(0-3) Pin (45-48) 94 FN8936 Rev.3.00 Page 2 of 139 Sep 1, 2021