BMP561 Series

The newly released high-integration and high-precision single-cell battery fuel gauge is designed specifically for the battery metering market. Based on the Arm® Cortex®-M0+ core, it features built-in programmable flash memory and supports both lithium-ion and lithium-polymer battery packs. Additionally, it supports SHA-256 authentication for enhanced security and parallel batteries for increased capacity.

Performance

Core

  • Arm® Cortex®-M0+

Memory

  • Flash: 64KB
  • SRAM: 8KB

Operating Conditions

  • Operating Voltage: 2V ~ 5.5V
  • Operating Temperature: -40℃ ~ 85℃

Power Consumption

  • Normal Mode: 60μA @ 25°C
  • Sleep Mode: 18μA @ 25°C
  • Deep Sleep Mode: 8μA @ 25°C
  • Shutdown Mode: 0.5μA @ 25°C

1mΩ current sensing resistor

Temperature sensor with NTC thermistor measurement

16-bit ADC ×2

  • Voltage Accuracy: 3mV @ 25℃
  • Current Accuracy: 0.5% @ -20℃ ~ 60℃

Communication Interfaces

  • I²C (100/400kHz), HSC, and UART 

Robust ESD Protection

  • HBM: ±6500V
  • CDM: ±2000V
  • Latch-up: 200mA

Algorithm

  • SHA-256 

Package

  • WLCSP12/DFN12/QFN16 

Selection Tools

All Products

Core

Frequency(MHz)

SRAM(KB)

I/Os

Voltage(V)

Package

Advanced TMR(16bit)

IWDT

WWDT

I2C

UART

Code FLASH(KB)

Data FLASH(KB)

Basic TMR(18-bit)

ADC 16-bit Cell

CADC Channels

VADC Channels

HSC

EXIT

SHA256

Compare
Part No.
Core
Frequency(MHz)
SRAM(KB)
I/Os
Voltage(V)
Package
Advanced TMR(16bit)
IWDT
WWDT
I2C
UART
Code FLASH(KB)
Data FLASH(KB)
Basic TMR(18-bit)
ADC 16-bit Cell
CADC Channels
VADC Channels
HSC
EXIT
SHA256

Documentation

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