DS2751 Просмотр технического описания (PDF) - Maxim Integrated

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DS2751

Multichemistry Battery Fuel Gauge

Maxim Integrated 

www.maxim-ic.com

FEATURES

§ Available in Two Configurations

- Internal 25mW Sense Resistor

- External User-Selectable Sense Resistor

§ Current Measurement

- 12-Bit Bidirectional Measurement

- Internal Sense Resistor Configuration:

0.625mA LSB and ±1.9A Dynamic Range

- External Sense Resistor Configuration:

15.625mV LSB and ±64mV Dynamic

Range

§ Current Accumulation

- Internal Sense Resistor: 0.25mAhr LSB

- External Sense Resistor: 6.25mVhr LSB

§ Voltage Measurement with 4.88mV

Resolution

§ Temperature Measurement Using Integrated

Sensor with 0.125°C Resolution

§ 32 Bytes of Lockable EEPROM

§ 16 Bytes of General-Purpose SRAM

§ Dallas 1-Wire® Interface with Unique 64-Bit

Device Address

§ Supports 1-Cell Li+/Polymer or 3-Cell Ni

Battery Packs

§ 3mm Dimension of 8-Pin TSSOP Package

Allows Mounting on Side of Thin Li+ and

Li+/Polymer Cells (Lead Free available)

§ Low Power Consumption:

- Active Current: 60mA (typ), 90mA (max)

- Sleep Current: 1mA (typ), 2mA (max)

DS2751

Multichemistry Battery

Fuel Gauge

PIN CONFIGURATION

VIN 1

VSS 22

PIO 3

VDD 42

8 DQ

7 SNS

6 IS2

5 IS1

DS2751E

8-Pin TSSOP Package

(Lead Free Available)

PIN DESCRIPTION

VIN Voltage-Sense Input

VSS Device Ground

PIO Programmable I/O Pin

VDD Power-Supply Input (2.5V to 5.5V)

IS1 Current-Sense Input

IS2 Current-Sense Input

SNS Sense Resistor Connection

DQ Data Input/Output

1-Wire is a registered trademark of Dallas Semiconductor.

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