Maxim DS2784 Standalone Single-Cell Battery Fuel Gauge IC with Li+ Protection and SHA-1 Authentication Datasheet

This datasheet describes the Maxim DS2784, a standalone single-cell battery fuel gauge IC featuring Li+ protection and SHA-1 authentication for precise…

Brand: Maxim
Document type: Datasheet
Language: Chinese
Pages: 37
File format: PDF
File size: 1.1 MB
Published: 20 September, 2011
Updated: 22 October, 2026
MD5 checksum: ED4041099A69B10BDB8EB71205606B5C
PDF: Maxim DS2784 Standalone Single-Cell Battery Fuel Gauge IC with Li+ Protection and SHA-1 Authentication Datasheet PDF

About this manual

The DS2784 is a standalone single-cell battery fuel gauge IC designed to integrate into single lithium-ion (Li+) or Li+-polymer battery packs. It operates with a supply voltage ranging from 2.5V to 4.6V and provides accurate remaining capacity estimates in both mAh and percentage formats. This manual is written in Chinese.

What's inside

Overview
Absolute Maximum Ratings
Electrical Characteristics
Protection Circuit
EEPROM Reliability Specification
1-Wire Interface
Typical Application Circuit
Pin Description

Specifications

Supply Voltage Range	2.5V to 4.6V
Temperature Accuracy	+/- 3°C
EEPROM Capacity	32 Bytes Parameter + 16 Bytes User
SHA-1 Computation Time	30 ms

Frequently asked questions

What is the operating supply voltage range for the DS2784?

The device operates with a supply voltage ranging from 2.5V to 4.6V.

Does the DS2784 include Li+ battery protection features?

Yes, it includes built-in Li+ safety circuits for overvoltage, undervoltage, overcurrent, and short-circuit protection.

What authentication algorithm does the DS2784 support?

The device supports SHA-1 as a hash algorithm for challenge-response packet authentication.

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