參數(shù)資料
型號(hào): ISL9216IRZ
廠商: INTERSIL CORP
元件分類(lèi): 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(yè)數(shù): 18/33頁(yè)
文件大?。?/td> 645K
代理商: ISL9216IRZ
18
FN6488.1
November 2, 2007
Configuration Registers
The device is configured for specific application requirements using the Configuration Registers. The configuration register
consists of SRAM memory. This memory is powered by the RGO output. In a sleep condition, an internal switch powers the
contents of these registers from the VCELL1 input.
TABLE 7. DISCHARGE SET CONFIGURATION REGISTER (ADDR: 05H)
SETTING
FUNCTION
Bit 7
DENOCD
Turn off automatic OCD control
(ISL9216 only)
When set to ‘0’, a discharge overcurrent condition automatically turns off the FETs.
When set to ‘1’, a discharge overcurrent condition will not automatically turn off the FETs.
In either case, this condition sets the DOC bit, which also turns on the TEMP3V output.
Bit 6
OCDV1
Bit 5
OCDV0
Discharge Overcurrent Threshold
(ISL9216 only)
0
0
V
OCD
= 0.10V
V
OCD
= 0.12V
V
OCD
= 0.14V
V
OCD
= 0.16V
When set to ‘0’, a discharge short circuit condition turns off the FETs.
When set to ‘1’, a discharge short circuit condition will not automatically turn off the FETs.
In either case, the condition sets the SCD bit, which also turns on the TEMP3V output.
0
1
1
0
1
1
Bit 4
DENSCD
Turn off automatic SCD control
(ISL9216 only)
Bit 3
SCDV1
Bit 2
SCDV0
Discharge Short Circuit Threshold
(ISL9216 only)
0
0
V
SCD
= 0.20V
V
SCD
= 0.35V
V
SCD
= 0.65V
V
SCD
= 1.20V
Discharge Overcurrent Time-out
(ISL9216 only)
0
1
1
0
1
1
Bit 1
OCDT1
Bit 0
OCDT0
0
0
t
OCD
= 160ms (2.5ms if DTDIV = 1)
t
OCD
= 320ms (5ms if DTDIV = 1)
t
OCD
= 640ms (8ms if DTDIV = 1)
t
OCD
= 1280ms (16ms if DTDIV = 1)
0
1
1
0
1
1
ISL9216, ISL9217
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