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DS276+, DS2760, DS2760AE

Table of contents:
Info of DS276+
Info of DS2760
Info of DS2760AE

DS276+, DS2760, DS2760AE Selling Leads, Datasheet

MFG:Maxim Integrated Products Category:Integrated Circuits (ICs) Package Cooled:640 D/C:30

DS276+, DS2760, DS2760AE Datasheet download

Five Points

Part Number: DS276+

Category: Integrated Circuits (ICs)

MFG: Maxim Integrated Products

Package Cooled: 640

D/C: 30

Description: IC BATT MON LI-ION HP 16-TSSOP

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DS276+ Parameters

Technical/Catalog Information	DS276+
Vendor	Maxim Integrated Products
Category	Integrated Circuits (ICs)
Number of Drivers/Receivers	1/1
Type	Transceiver
Voltage - Supply	2.7 V ~ 5.5 V
Package / Case	8-DIP (300 mil)
Packaging	Tube
Protocol	RS232
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	DS276+ DS276+

DS2760 General Description

The DS2760 High Precision Li-Ion Battery Monitor is a data acquisition, information storage, and safety protection device tailored for cost-sensitive battery pack applications. This low-power device integrates precise temperature, voltage, and current measurement, nonvolatile data storage, and Li-Ion protection into the small footprint of either a TSSOP package or flip-chip. The DS2760 is a key component in applications including remaining capacity estimation, safety monitoring, and battery-specific data storage.

Via its 1-Wire interface, the DS2760 gives the host system read/write access to status and control registers, instrumentation registers, and general purpose data storage. Each device has a factory-programmed 64-bit net address which allows it to be individually addressed by the host system, supporting multi-battery operation.

The DS2760 is capable of performing temperature, voltage and current measurement to a resolution sufficient to support process monitoring applications such as battery charge control, remaining capacity estimation, and safety monitoring. Temperature is measured using an on-chip sensor, eliminating the need for a separate thermistor. Bi-directional current measurement and accumulation are accomplished using either an internal 25 mΩ sense resistor or an external device. The DS2760 also features a programmable I/O pin that allows the host system to sense and control other electronics in the pack, including switches, vibration motors, speakers and LEDs.

Three types of memory are provided on the DS2760 for battery information storage: EEPROM, lockable EEPROM and SRAM. EEPROM memory saves important battery data in true nonvolatile memory that is unaffected by severe battery depletion, accidental shorts or ESD events. Lockable EEPROM becomes ROM when locked to provide additional security for unchanging battery data. SRAM provides inexpensive storage for temporary data.

DS2760 Maximum Ratings

Voltage on PLS and CC pin, Relative to VSS............................................. -0.3V to +18V
Voltage on PIO pin, Relative to VSS........................................................ .-0.3V to +12V
Voltage on any other pin, Relative to VSS ................................................. -0.3V to +6V
Continuous Internal Sense Resistor Current ....................................................... ±2.5A
Pulsed Internal Sense Resistor Current.................±50A for <100 µs/sec, <1000 pulses
Operating Temperature-40°C to ........................................................................+85°C
Storage Temperature-55°C to .........................................................................+125°C
Soldering Temperature ...................................................... See J-STD-020A Specification

DS2760 Features

Li-Ion safety circuit
    Overvoltage protection
    Overcurrent/short circuit protection
    Undervoltage protection
Available in two configurations:
    Internal 25 mΩsense resistor
    External user-selectable sense resistor
Current measurement
    12-bit bi-directional measurement
    Internal sense resistor configuration:
    0.625 mA LSB and ±1.8A dynamic range
    External sense resistor configuration:
    15.625 µLSB and ±64 mV dynamic range.Current accumulation
    Internal sense resistor: 0.25 mAhr LSB
    External sense resistor: 6.25 Vhr LSB
Voltage measurement with 4.88 mV resolution
Temperature measurement using integrated
    sensor with 0.125°C resolution
System power management and control feature
    support
32 bytes of lockable EEPROM
16 bytes of general purpose SRAM
Dallas 1-Wire® interface with unique 64-bit
    device address
Low power consumption:

DS2760 Connection Diagram

DS2760AE Parameters

Technical/Catalog Information	DS2760AE
Vendor	Maxim Integrated Products
Category	Integrated Circuits (ICs)
Battery Type	Li-Ion
Function	Battery Monitor
Package / Case	16-TSSOP
Packaging	Tube
Operating Temperature	-40°C ~ 85°C
Voltage - Supply	2.5 V ~ 5.5 V
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	DS2760AE DS2760AE

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