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参数资料
| 型号： | DS2780E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/31页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 8TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
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DS2780 Standalone Fuel Gauge IC
EEPROM RELIABILITY SPECIFICATION
(V CC = 2.5V to 4.5V, T A = -20°C to +70°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Copy Time
t EEC
10
ms
EEPROM Copy Endurance
N EEC
T A = +50°C
50,000
cycles
Note 1: All voltages are referenced to VSS.
Note 2: Factory calibrated accuracy. Higher accuracy can be achieved by in-system calibration by the user.
Note 3: Accumulation bias register set to 00h.
Note 4: Parameters guaranteed by design.
Note 5: The application must wait for the maximum DQ SLEEP Timeout to confirm that the IC has entered sleep
mode.
PIN DESCRIPTION
NAME
NC
VSS
VIN
VDD
TSSOP
PIN
1
2
3
4
TDFN
PIN
1
2, 3
4
5
FUNCTION
Not Connected . Pin not connected internally, float or connect to VSS.
Device Ground. Connect directly to the negative terminal of the battery cell. Connect
the sense resistor between VSS and SNS.
Voltage Sense Input. The voltage of the battery cell is monitored through this input
pin.
Power-Supply Input. Connect to the positive terminal of the battery cell through a
decoupling network.
Data Input/Output . 1-Wire data line. Open-drain output driver. Connect this pin to the
DQ
5
6
DATA terminal of the battery pack. This pin has a weak internal pulldown (I PD ) for
sensing pack disconnection from host or charger.
1-Wire Bus Speed Control. Input logic level selects the speed of the 1-Wire bus.
OVD
6
7
Logic 1 selects overdrive (OVD) and Logic 0 selects standard timing (STD). On a
multidrop bus, all devices must operate at the same speed.
NC
SNS
—
7
8
9
Not Connected . Pin not connected internally, float or connect to VSS.
Sense Resistor Connection. Connect to the negative terminal of the battery pack.
Connect the sense resistor between VSS and SNS.
Programmable I/O Pin. Can be configured as input or output to monitor or control
PIO
8
10
user-defined external circuitry. Output driver is open drain. This pin has an weak
internal pulldown (I PD ).
PAD
—
PAD
Exposed Pad. Connect to VSS or leave floating. (Only present on TDFN package)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2780EVKIT+ | 制造商:Maxim Integrated Products 功能描述:DS2780 EVAL KIT - Boxed Product (Development Kits) |
| DS2780G+ | 功能描述:电池管理 Stand-Alone Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2780G+T&R | 制造商:Maxim Integrated Products 功能描述:STANDALONE FUELGAUGE 10-TDFN T&R LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE STAND ALONE 10TDFN 制造商:Maxim Integrated Products 功能描述:Battery Management Stand-Alone Fuel Gauge |
| DS2780G+T&R | 功能描述:电池管理 Stand-Alone Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2780G+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Standalone Fuel Gauge IC |
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