Monolithic Power Systems (MPS) EV2791-0000-FP-00A Evaluation Board
Monolithic Power Systems (MPS) EV2791-0000-FP-00A Evaluation Board is designed to demonstrate the capabilities of MP2791, a robust battery management device. The device supports connections for 7-cell to 14-cell series battery packs, with absolute voltages exceeding 75V on some pins.Features
- Incorporates dual ADC architecture:
- <±2% State-of-Charge (SOC) error with MPF4279x fuel gauge
- <5mV cell voltage measurement error
- <±0.5% current/coulomb counter error
- Strictly synchronized current/voltage measurement for impedance sensing
- Includes high-side N-channel MOSFET drivers for charge and discharge control:
- Supports MOSFET soft-start discharge control to eliminate pre-charge circuit
- Drives up to 100A DC with parallel N-channel MOSFETs
- Hardware configurable protections:
- Charge/discharge OCP and SCP
- Cell UVP and OVP
- Pack UVP and OVP
- Cell low-/high-temperature protection
- Die high-temperature protection
- Passive cell-balancing up to 58mA per cell:
- Can drive external balancing transistors
- Automatic or manual control
- Additional features:
- Integrated 3.3V and 5V LDOs
- Reduced current standby mode
- Load and charger plug-in detection
- High-voltage and low-voltage GPIOs
- Dedicated thermistor inputs
- Open wire detection
- Persistent dead battery flag
- Lockable MTP memory for thresholds
- I2C or SPI interface with 8-bit CRC
- Random cell connection tolerant
- Available in a TQFP-48 (7mm x 7mm) package
Publicado: 2024-04-30
| Actualizado: 2024-05-21
