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參數(shù)資料
| 型號： | ISL9216IRZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封裝： | 5 X 5 MM, ROHS COMPLIANT, PLASTIC, MO-220VHHD-2, QFN-32 |
| 文件頁數(shù)： | 19/33頁 |
| 文件大?。?/td> | 645K |
| 代理商： | ISL9216IRZ |
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19
FN6488.1
November 2, 2007
TABLE 8. CHARGE/TIME SCALE CONFIGURATION REGISTER
(ADDR: 06H)
SETTING
FUNCTION
Bit 7
DENOCC
Turn off automatic OCC control
(ISL9216 only)
When set to ‘0’, a charge overcurrent condition automatically turns off the FETs.
When set to ‘1’, a charge overcurrent condition will not automatically turn off the FETs.
In either case, this condition sets the COC bit, which also turns on the TEMP3V output.
Bit 6
OCCV1
Bit 5
OCCV0
Charge Overcurrent Threshold
(ISL9216 only)
0
0
V
OCD
= 0.10V
0
1
V
OCD
= 0.12V
1
0
V
OCD
= 0.14V
1
1
V
OCD
= 0.16V
Bit 4
SCLONG
Short circuit long delay
(ISL9216 only)
When this bit is set to ‘0’, a short circuit needs to be in effect for 100μs before a shutdown
begins. When this bit is set to ‘1’. a short circuit needs to be in effect for 10ms before a
shutdown begins.
Bit 3
CTDIV
Divide charge time by 32
(ISL9216 only)
When set to “1”, the charge overcurrent delay time is divided by 32.
Bit 2
DTDIV
Divide discharge time by 64
(ISL9216 only)
When set to “1”, the discharge overcurrent delay time is divided by 64.
Bit 1
OCCT1
Bit 0
OCCT0
Charge Overcurrent Time-out
(ISL9216 only)
0
0
t
OCC
= 80ms (2.5ms if CTDIV=1)
0
1
t
OCC
= 160ms (4ms if CTDIV=1)
1
0
t
OCC
= 320ms (8ms if CTDIV=1)
1
1
t
OCC
= 640ms (16ms if CTDIV=1)
TABLE 9. FEATURE SET CONFIGURATION REGISTER (ADDR: 07H)
BIT
FUNCTION
DESCRIPTION
7
ATMPOFF
Turn off automatic external temp scan
(ISL9216 only)
When set to ‘1’ this bit disables the automatic temperature scan. When set to ‘0’, the temperature
is turned on for 5ms in every 640ms.
6
DIS3
Disable 3.3V reg
Setting this bit to “1” disables the internal 3.3V regulator. Setting this bit to “1” requires that there
be an external 3.3V regulator connected to the RGO pin.
5
TMP3ON
Temp 3.3V keep on
Setting this bit to “1” keeps ON the 3.3V output to the external temperature sensor.
4
DISXTSD
Disable external thermal shutdown
(ISL9216 only)
Setting this bit to “1” disables the automatic shutdown of the cell balance and power FETs in
response to an out of limit external temperature. While the automatic response is disabled, the
microcontroller can initiate a shutdown based on the XOT flag.
3
DISITSD
Disable internal thermal shutdown
Setting this bit to “1” disables the automatic shutdown of the cell balance and power FETs in
response to an out of limit internal temperature. While the automatic response is disabled, the
microcontroller can initiate a shutdown based on the IOT flag.
2
POR
Force POR
Setting this bit to “1” forces a POR condition. This resets all internal registers to zero.
1
DISWKUP
Disable WKUP pin
Setting this bit to “1” disables the WKUP pin function.
CAUTION: Setting this pin to ‘1’ prevents a wake-up condition. If the device then goes to sleep, it
cannot be waken without a communication link that resets this bit, or by power cycling the device.
0
WKPOL
Wake-up Polarity
Setting this bit to “1” sets the device to wake-up on a rising edge at the WKUP pin.
Setting this bit to “0” sets the device to wake-up on a falling edge at the WKUP pin.
CAUTION: Setting this pin to ‘1’ in the ISL9217 prevents a wake-up condition. If the device then
goes to sleep, it cannot be waken without power cycling the device.
ISL9216, ISL9217
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