This document describes a high-precision Li+ battery monitor with multiple protection functions, including overvoltage protection, overcurrent/short circuit protection, undervoltage protection, and zero volt battery recovery charge. It is available in two configurations: internal or external sense resistor. It features a 12-bit bidirectional current measurement with a resolution of 0.625mA LSB and a dynamic range of ±1.9A, as well as a voltage measurement with a resolution of 4.88mV. It also includes temperature measurement, system power management and control feature support, lockable EEPROM, and general purpose SRAM.
The DS2760 integrates temperature, voltage, and current measurement with non‑volatile storage and Li‑ion safety protection in a compact TSSOP or flip‑chip package. It supports both internal (25 µΩ) and external user‑selectable sense resistors, providing 12‑bit bidirectional current measurement and 4.88 mV voltage resolution.
The device communicates via a Dallas 1‑Wire® interface, offering a unique 64‑bit address for each part, and includes 32 bytes of lockable EEPROM, 16 bytes of SRAM, and programmable I/O for controlling external circuitry such as switches or LEDs.
| Current measurement resolution (internal sense resistor) | 0.625 mA LSB, ±1.9 A range |
|---|---|
| Voltage measurement resolution | 4.88 mV |
| Lockable EEPROM size | 32 bytes |
| SRAM size | 16 bytes |
| Supply voltage range | 2.5 V to 5.5 V |
| Operating temperature range | -40 °C to +85 °C |
The device includes 32 bytes of lockable EEPROM.
Voltage is measured with a resolution of 4.88 mV.