MP27942 Power Management IC
Monolithic Power Systems power management solution is designed for 2–4 cell Li-ion or Li-polymer battery packs
The MP27942 from Monolithic Power Systems is a highly integrated power management solution designed for 2- to 4-cell Li-ion or Li-polymer battery packs. It combines fuel gauging, cell balancing, and aa full suite of battery protection functions in a compact package, making it ideal for smart battery applications. The device includes a low-side current sense amplifier and provides accurate battery status monitoring through an I²C interface.
Its flexible design supports multiple chemistries and configurations, while integrated protections ensure battery safety and longevity. With programmable settings and integrated N-channel FET drivers, the MP27942 simplifies system design and enhances pack-level safety and performance.
- 2- to 4-cell series Li-ion/Li-polymer battery support
- Accurate fuel gauging using a current sense amplifier
- Built-in protection: overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature
- Automatic cell balancing
- Integrated FET drivers for charge/discharge paths
- 16-bit Coulomb counter
- I²C interface with programmable parameters
- Operating temperature range: -40°C to +85°C
- Compact QFN-26 package: 4 mm x 4 mm
- Battery backup systems
- Portable medical devices
- Industrial handheld equipment
- Power tools
- Robotic systems
- Smart battery packs
MP27942 Power Management IC
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | MP27942GY-Z | 150MBPS, 6-CHANNEL DIGITAL ISOLA | 1000 - Immediate | $2.85 | View Details |
![]() | ![]() | MP27942-LGY-Z | 150MBPS, 6-CHANNEL DIGITAL ISOLA | 1000 - Immediate | $2.85 | View Details |
![]() | ![]() | EV27942-L-Y-00A | EVAL BOARD FOR MP27942 | 0 - Immediate | $22.55 | View Details |
![]() | ![]() | EV27942-Y-00A | EVAL BOARD FOR MP27942 | 0 - Immediate | $22.55 | View Details |
![]() | ![]() | MP27942-LGY-P | 150MBPS, 6-CHANNEL DIGITAL ISOLA | 0 - Immediate | $1.80 | View Details |
![]() | ![]() | MP27942GY-P | 150MBPS, 6-CHANNEL DIGITAL ISOLA | 0 - Immediate | $1.80 | View Details |




