DS2751 Datasheet, PDF (1/19 Pages) Maxim Integrated Products – Multichemistry Fuel Garge

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
V_IN Voltage-Sense Input
V_SS Device Ground
PIO Programmable I/O Pin
V_DD 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.
1 of 19
020105