Description:

The GD30BM2016 is a highly integrated battery monitor and protector, specifically designed for lithium-ion battery packs. This device can precisely monitor the individual voltage, current and temperature of 3 to 16 battery packs, and also supports high-side charging and discharging functions. It integrates a high-precision monitoring system and a highly configurable protection subsystem, not only ensuring the accuracy of monitoring but also simplifying the system design. By providing overcharge and overdischarge protection, the GD30BM2016 effectively enhances the safety and performance of the battery.

Characteristics:

• The design is highly integrated to enhance system performance and reliability

- It supports voltage monitoring for 3 to 16 strings of batteries, meeting diverse application requirements

- The voltage range of individual cells covers 1.5V to 5.5V, and is compatible with various battery types

- It can measure voltage and current simultaneously

- The current detection voltage range is ±200mv

- Supports parity balancing, with a maximum of 8-string balancing function. The built-in balancing MOSFET can achieve a maximum balancing current of 80mA

- Integrated charge pump for high-side charging and discharging control

- Provides communication interface options: Supports 400kHz I2C and 16MHz SPI protocols

- The three Ldos are independently powered, respectively used for the main power supply of the MCU, the interface/wireless module, and the low-power sleep power supply of the MCU VBAT

- OTP memory supports production line programming, providing flexibility for equipment configuration and customization

• Precise monitoring capability

- The voltage monitoring accuracy for the full temperature range reaches ±5mV (with a single-cell refresh cycle of 1ms).

- The current detection accuracy for the full temperature range reaches ±50µV (when <5mV).

- The current detection accuracy for the full temperature range reaches ±1% (when >4mV).

- Voltage and current are sampled synchronously with a refresh period of 1ms. - The temperature measurement accuracy of NTC can reach ±2°C

- It can operate safely and reliably in harsh environments

- The CELL voltage supports up to 85V cell withstand voltage and can support out-of-sequence power-on of cells

- It is equipped with a built-in three-terminal fuse driver to achieve secondary protection

- It is equipped with multiple hardware protection mechanisms, including voltage, temperature, current and internal diagnostic functions

- Provide multi-level fault alarm and status indication functions

• Supports multiple low-power operation modes

- Sleep mode, power consumption between 60µA and 100µA

- Deep sleep mode, power consumption range: 25µA to 35µA

- The current consumption in standby mode is 5µA

Application scenarios:

• Portable power supply solutions

• Low-voltage household energy storage applications

• A two-wheeled vehicle system driven by lithium batteries

• High-voltage power supply for electric tools

• It is used in various application scenarios of industrial battery packs