参数资料
| 型号： | DS2781E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/31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 ~ 10 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) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页当前第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页
DS2781
STATUS REGISTER
The STATUS register contains bits that report the device status. The bits can be set internally by the DS2781. The
CHGTF, AEF, SEF, LEARNF and VER bits are read only bits that can be cleared by hardware. The UVF and
PORF bits can only be cleared via the 1-Wire interface.
Figure 18. Status Register Form at
ADDRESS
01h
BIT DEFINITION
FIELD
BIT
FORMAT
ALLOWABLE VALUES
Charge Termination Flag
CHGTF
7
Read
Only
Set to 1 when: ( VOLT > VCHG ) AND ( 0 < IAVG < IMIN ) continuously
for a period between two IAVG register updates ( 28s to 56s ).
Cleared to 0 when: RARC < 90%
AEF
SEF
6
5
Read
Only
Read
Only
Active Empty Flag
Set to 1 when: VOLT < VAE
Cleared to 0 when: RARC > 5%
Standby Empty Flag
Set to 1 when: RSRC < 10%
Cleared to 0 when: RSRC > 15%
Learn Flag ? When set to 1, a charge cycle can be used to learn battery
capacity.
LEARNF
4
Read
Only
Set to 1 when: ( VOLT falls from above VAE to below VAE ) AND
( CURRENT > IAE )
Cleared to 0 when: ( CHGTF = 1 ) OR ( CURRENT < 0 ) OR
( ACR = 0 **) OR ( ACR written or recalled from EEPROM) OR ( SLEEP
Entered )
Reserved
UVF
PORF
Reserved
3
2
1
0
Read
Only
Read /
Write *
Read /
Write *
Read
Only
Undefined
Undervoltage Flag
Set to 1 when: VOLT < V SLEEP
Cleared to 0 by: User
Power-On Reset Flag ? Useful for reset detection, see text below.
Set to 1 upon Power-Up by hardware.
Cleared to 0 by: User
Undefined
* - This bit can be set by the DS2781, and may only be cleared through the 1-Wire interface.
** - LEARNF is only cleared if ACR reaches 0 after VOLT < VAE.
19 of 31
相关PDF资料 |
PDF描述 |
|---|---|
| DS2782G-5+T&R | IC FUEL GAUGE STND-ALONE 10-TDFN |
| DS2784G+T&R | IC FUEL GAUGE STND-ALONE 14-TDFN |
| DS2786BG+T&R | IC FUEL GAUGE OCV-BASED 10-TDFN |
| DS2786G-5+T&R | IC FUEL GAUGE OCV-BASED 10-TDFN |
| DS2788E+T&R | IC FUEL GAUGE W/DSP DRV 14TSSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2781EVKIT+ | 制造商:Maxim Integrated Products 功能描述:1-CELL OR 2-CELL STAND-ALONE FUEL GAUGE IC - Boxed Product (Development Kits) |
| DS2781G+ | 功能描述:电池管理 1-2 Cell 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 |
| DS2781G+T&R | 制造商:Maxim Integrated Products 功能描述:2 CELL STAND ALONE FG 10-TDFN LF - Tape and Reel |
| DS2781G-A2+T&R | 制造商:Maxim Integrated Products 功能描述: |
| DS2781K | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
发布紧急采购，3分钟左右您将得到回复。