參數(shù)資料
型號(hào)： DS2788
廠商： Maxim Integrated Products, Inc.
英文描述： Stand-Alone Fuel-Gauge IC with LED Display Drivers
中文描述： 獨(dú)立式電量計(jì)IC，提供LED顯示驅(qū)動(dòng)器
文件頁(yè)數(shù)： 1/30頁(yè)
文件大小： 350K
代理商： DS2788
General Description
The DS2788 measures voltage, temperature, and cur-
rent, and estimates available capacity for rechargeable
lithium-ion (Li+) and Li+ polymer batteries. Cell charac-
teristics and application parameters used in the calcu-
lations are stored in on-chip EEPROM. The available
capacity registers report a conservative estimate of the
amount of charge that can be removed given the cur-
rent temperature, discharge rate, stored charge, and
application parameters. Capacity estimation is reported
in mAh remaining and percentage of full.
LED display drivers and a debounced input make dis-
play of the capacity information easy. The LED pins can
directly sink current, requiring only a resistor for setting
the current in the LED display, thus reducing space and
cost.
Applications
Power Tools
Electric Bicycles
Electric Vehicles
Uninterruptible Power Supply
Digital Cameras
Features
Five 30mA Open-Drain Drivers for Driving LED
Fuel-Gauge Display
Debounced Fuel-Gauge Display Enable
Internal Voltage Measurement Gain Register for
Trimming External Voltage-Divider
Pin for Driving FETs to Enable Voltage-Divider
Only During Voltage Measurement, Conserving
Power
Precision Voltage, Temperature, and Current
Measurement System
Accurate, Temperature-Stable, Internal Time Base
Absolute and Relative Capacity Estimated from
Coulomb Count, Discharge Rate, Temperature,
and Battery Cell Characteristics
Accurate Warning of Low Battery Conditions
Automatic Backup of Coulomb Count and Age
Estimation to Nonvolatile (NV) EEPROM
Gain and Tempco Calibration Allows the Use of
Low-Cost Sense Resistors
24-Byte Battery/Application Parameter EEPROM
16-Byte User EEPROM
Unique ID and Multidrop 1-Wire
Interface
14-Pin TSSOP Package
D
Stand-Alone Fuel-Gauge IC with
LED Display Drivers
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
2
11
PIO
4
V
DD
12
LED5
3
DV
SS
13
LED4
LED1
14
LED3
1
LED2
TOP VIEW
DS2788
8
VMA
7
DQ
9
SNS
6
V
SS
10
V
IN
5
OVD
TSSOP
+
Pin Configuration
Ordering Information
Rev 0; 10/07
+Denotes a lead-free package.
T&R = Tape and reel.
Typical Operating Circuit appears at end of data sheet.
PART
TEMP RANGE
-25°C to +70°C
-25°C to +70°C
PIN-PACKAGE
14 TSSOP
14 TSSOP
DS2788E+
DS2788E+T&R
1-Wire is a registered trademark of Dallas Semiconductor Corp.,
a wholly owned subsidiary of Maxim Integrated Products, Inc.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2788_09 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Stand-Alone Fuel-Gauge IC with LED Display Drivers
DS2788E+ 功能描述:電池管理 Stand-Alone F-Gauge w/LED Display Drvrs RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
DS2788E+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE LI-ION/LI-POL 14TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE W/DSP DRV 14TSSOP
DS2788E+T&R 功能描述:電池管理 Stand-Alone F-Gauge w/LED Display Drvrs RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
DS2788E+TR 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Stand-Alone Fuel-Gauge IC with LED Display Drivers
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