参数资料
型号: LTC4155IUFD#TRPBF
厂商: Linear Technology
文件页数: 17/52页
文件大小: 0K
描述: IC I2C POWER MANAGER DUAL 28QFN
标准包装: 2,500
系列: PowerPath™
功能: 充电管理,电源管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.35 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 带卷 (TR)
LTC4155
OPERATION
I 2 C
Table 2. I 2 C Map
SUB
REGISTER
ACCESS
ADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
REG0
WRITE/
READBACK
0x00
DISABLE
INPUT
UVCL
ENABLE
BATTERY
CONDI-
TIONER
LOCKOUT
USB OTG ID
PIN
USB CURRENT LIMIT
REG1
WRITE/
READBACK
0x01
INPUT
PRIORITY
SAFETY TIMER
WALL CURRENT LIMIT
REG2
REG3
WRITE/
READBACK
READ
0x02
0x03
CHARGE CURRENT
ID PIN
FLOAT VOLTAGE
BOOST
C/x DETECTION
LOW
CHARGER STATUS
DETECTION
STATUS
ENABLE
STATUS
THERMISTOR STATUS
BATTERY
STATUS
REG4
READ
0x04
EXTERNAL
POWER
GOOD
USBSNS
GOOD
WALLSNS
GOOD
INPUT
CURRENT
LIMIT
ACTIVE
INPUT UVCL
ACTIVE
OVP ACTIVE OTG FAULT
BAD CELL
FAULT
REG5
READ
0x05
THERMISTOR VALUE
THERMIS-
TOR
WARNING
REG6
WRITE/
READBACK
0x06
CLEAR
INTERRUPT*
DISARM
SHIP-AND-
ENABLE ENABLE
CHARGER FAULT
INTERRUPTS INTERRUPTS
ENABLE
EXTERNAL
POWER
INTERRUPTS
ENABLE
USB OTG
INTERRUPTS
ENABLE
INPUT
CURRENT
LIMIT
INTERRUPTS
ENABLE ENABLE
INPUT UVCL USB
INTERRUPTS On-The-Go
0
RESERVED
STORE
MODE*
REG7
WRITE
0x07
ARM SHIP-
AND-STORE
0
REQUIRED
0
REQUIRED
0
REQUIRED
0
REQUIRED
0
REQUIRED
0
REQUIRED
0
REQUIRED
0
REQUIRED
MODE **
*Interrupts are cleared and ship-and-store mode is disarmed during the acknowledge clock cycle following a full data byte written to sub address 0x06.
Reading data from sub address 0x06 has no effect.
**Ship-and-store mode is armed during the acknowledge clock cycle following a full data byte written to sub address 0x07. The data written to sub
address 0x07 is ignored. Reading from sub address 0x07 has no effect and the returned data is undefined, independent of the arming state of
ship-and-store mode.
4155fc
17
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