Renesas provides a comprehensive lineup of battery front-ends to cover all battery management system protection, monitoring, and balancing requirements. Our battery front-end ICs meet the reliability and performance requirements of battery-powered applications including power tools, UPS systems, home appliances, and e-bikes. Our automotive-grade Li-ion BMS portfolio is designed to meet the performance requirements of next-generation hybrid electric vehicles (HEV), plug-in hybrid electric vehicles (PHEV), and electric vehicle (EV) applications.
Cells Supported (#) |
Pack Voltage (Op) |
Cell Balancing FETs |
Integrated Current Sense/Detection |
Charge/Discharge FET Control |
Charge/Discharge FET Arrangement |
Charge/Discharge FET Location |
IS (mA) |
Sleep Mode Current (µA) |
Stand Alone Capable |
Internal ADC (bits) |
Daisy Chain |
GPI+GPIOs (#) |
Qualification Level |
Lead Count (#) |
Pkg. Type |
Price (USD) | 1ku |
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Part Number | |||||||||||||||||
Standalone 3 to 8 Cell Li-Ion Battery Pack Monitor | 3 - 8 | 4 - 36 | External (Built-in Drivers) | High Side | Yes | Both | High Side | 0.348 | 13 | State Machine | 14 | No | 2 | Standard | 48 | TQFN | 6.081 |
4- to 6-Cell Li-ion Battery Management Analog Front-End | 4 - 6 | 8 - 26.4 | Both | Low Side | Yes | Both | Low Side | 0.85 | 2 | No | None | No | 1 | Standard | 32 | QFN | 4.587 |
Multi-Cell Li-Ion Battery Manager | 6 - 12 | 6 - 60 | External (Built-in Drivers) | None | No | N/A | N/A | 3.31 | 12 | No | 14 | Yes | 4 | Standard | 64 | TQFP | 7.025 |
16-Cell Battery Front End | 4 - 16 | 12 - 55 | Both | Low Side | Yes | Both | Both | 0.2, .2 | 10 | No | 16 | No | 6 | Standard | 64 | QFN | 12.82 |
Multi-Cell Daisy-Chainable Li-Ion Battery Manager | 6 - 14 | 10 - 65 | External (Built-in Drivers), Internal (Built-in Drivers) | None | No | N/A | N/A | 5.6 | 19 | No | 14 | Yes | 6 | Standard | 64 | TQFP | 10.77 |
Multi-Cell Li-Ion Battery Manager | 4 - 16 | 12 - 55 | External (Built-in Drivers), Internal (Built-in Drivers) | Low Side | Yes | Both | Both | 0.2 | 10 | No | 16 | No | 6 | Standard | 64 | QFN | 4.254 |
4S to 10S Li-ion Battery Manager | 4 - 10 | 5 - 44 | None | Low Side | Yes | Both | Low Side | 0.11 | 3 | State Machine | 16 | No | 1 | Standard | 32 | QFN | 2.814 |
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Type | Title | Date |
Brochure | PDF 5.49 MB 日本語 | |
Guide | PDF 615 KB | |
White Paper | PDF 451 KB 简体中文 | |
White Paper | PDF 451 KB 简体中文 | |
White Paper | PDF 354 KB | |
White Paper | PDF 400 KB | |
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An overview of how the Renesas multi-cell battery front devices streamline development for high-cell count, high-voltage systems with flexible cell balancing and lower system costs. Visit renesas.com/bfe for more details.