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參數(shù)資料
| 型號： | DS2786BG+T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, TDFN-10 |
| 文件頁數(shù)： | 9/21頁 |
| 文件大?。?/td> | 363K |
| 代理商： | DS2786BG+T&R |
DS2786B
Stand-Alone OCV-Based Fuel Gauge
______________________________________________________________________________________
17
Status/Config Register
The Status/Config Register is read/write with individual
bits designated as read only. Bit values indicate status as
well as program or select device functionality. Bits 3
though 6 are EEPROM backed at memory location 7Ch.
Note that their bit positions differ between these locations.
See Figure 22:
PORF—The power-on-reset flag is set to indicate
initial power-up. PORF is not cleared internally. The
user must write this flag value to a zero in order to
use it to indicate subsequent power-up events. POR
event causes a reset of the fuel gauge. PORF is
read/write-to-zero.
SMOD—Sleep Mode enable. A value of 1 allows the
IC to enter Sleep Mode when SCL and SDA are low
for tSLEEP. A value of zero disables the transition to
Sleep Mode. This bit is EEPROM backed by bit 7 of
memory location 7Ch. The factory-programmed
value is 1.
Caution: SMOD sleep feature must be disabled
when a battery is charged on an external charger
that does not connect to the SDA or SCL pins.
SMOD sleep can be used if the charger pulls SDA
or SCL high. The IC remains in sleep on a charger
that fails to properly drive SDA or SCL and therefore
does not adjust relative capacity when a battery is
charged.
LDIS—Learn disable. A value of 1 disables cell-
capacity learning by the IC. A value of zero allows
cell-capacity learning to occur normally. This bit is
EEPROM backed by bit 6 of memory location 7Ch.
The factory-programmed value is zero.
VODIS—VOUT disable. A value of 1 disables the
VOUT output. When set to zero, this output is driven
tPRE before the AIN0 conversion begins, and dis-
abled after the AIN1 conversion ends. This bit is
EEPROM backed by bit 5 of memory location 7Ch.
The factory-programmed value is zero.
ITEMP—ITEMP. A value of 1 enables measurement
of temperature using the internal sensor during the
AIN1 conversion timeslot. The AIN1 input is not
selected and VOUT is not enabled during the AIN1
timeslot. A value of zero restores the measurement
of AIN1 and enables VOUT during the AIN1 timeslot.
This bit is EEPROM backed by bit 4 of memory
location 7Ch. The factory-programmed value is 1.
AIN1—AIN1 conversion valid. This read-only bit
indicates that the VOUT output was enabled and a
conversion has occurred on the AIN1 pin. When
using the VODIS bit, before reading the AIN1
Registers, read the AIN1 bit. Only once the AIN1 bit
is set should the AIN1 Register be read.
AIN0—AIN0 conversion valid. This read-only bit
indicates that the VOUT output was enabled and a
conversion has occurred on the AIN0 pin. When
using the VODIS bit, before reading the AIN0
Registers, read the AIN0 bit. Only once the AIN0 bit
is set should the AIN0 Register be read.
Command Register
The Command Register is read/write accessible. Bit val-
ues indicate operations requested to be performed by the
device. See Figure 23 for the Command Register format.
ADDRESS 01h
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
X
PORF
SMOD
LDIS
VODIS
ITEMP
AIN1
AIN0
X—Reserved.
Figure 22. Status/Config Register Format
ADDRESS FEh
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
POR
1
X
POCV
SOCV
RCALL
COPY
1—Bit always reads logic 1.
X—Reserved.
Figure 23. Command Register Format
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參數(shù)描述 |
|---|---|
| DS2786BK | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| DS2786G+ | 功能描述:電池管理 Stand-Alone OCV Based Fuel Gauge 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 |
| DS2786G+T&R | 制造商:Maxim Integrated Products 功能描述:STAND ALONE OCV BASED FUEL GAUGE LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE OCV 10-TDFN 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE STANDALONE OCV TDFN-10 制造商:Maxim Integrated Products 功能描述:FUEL GAUGE STANDALONE OCV, TDFN-10 |
| DS2786G+T&R | 功能描述:電池管理 Stand-Alone OCV Based Fuel Gauge 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 |
| DS2786G+TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Stand-Alone OCV-Based Fuel Gauge |
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