參數(shù)資料
型號： P95020ZLLG8
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA124
封裝： LLGA-124
文件頁數(shù)： 90/137頁
文件大?。?/td> 3533K
代理商： P95020ZLLG8
P95020 / Preliminary Datasheet
Revision 0.7.10
56
2010 Integrated Device Technology, Inc.
Note 1
– If INT_ILIM = ‘1’, use I_LIM_n bits to define the input current limiting. If INT_ILIM = ‘0’ use external primary pin GPIO4/CHRG_ILIM,
GPIO4/CHRG_ILIM = 0: 500mA; GPIO4/CHRG_ILIM = 1: 1.5A.
Table 8
– Register 0xA090 (0x90) Current Limit (I_LIM)
Settings Bits [2:0]
Bit 2
Bit 1
Bit 0
Description
0
Peak Current Limit = 100 mA
0
1
Peak Current Limit = 500 mA
0
1
0
Peak Current Limit = 1000 mA
0
1
Peak Current Limit = 1500 mA
1
0
Peak Current Limit = 2000 mA
3.5.2
CHARGER - Charging Configuration Register
IC Address = Page-0: 145(0x91), C Address = 0xA091
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[3:0]
CHG_CUR
0h
RW
Charging Current (via sense resistor) = CHG_CUR x 100 mA
[5:4]
CHG_VOL
00b
RW
(See
Maximum Battery Voltage
[7:6]
RESERVED
00b
RW
RESERVED
Table 9
– Register 0xA091, (0x91) Charging Maximum
Voltage (CHG_VOL) Settings, Bits [5:4]
Bit 5
Bit 4
Description
0
4.10 Volts
0
1
4.15 Volts
1
0
4.20 Volts
1
N/A
Table 10
– Register 0xA091, (0x91) Charging Current Limit via Sense Resistor (CHG_CUR)
Settings, Bits [3:0]
Bit
Setting
Current
Limit
Bit
Setting
Current
Limit
Bit
Setting
Current
Limit
Bit
Setting
Current
Limit
0000
100 mA
0100
400 mA
1000
800 mA
1100
1200 mA
0001
100 mA
0101
500 mA
1001
900 mA
1101
1300 mA
0010
200 mA
0110
600 mA
1010
1000 mA
1110
1400 mA
0011
300 mA
0111
700 mA
1011
1100 mA
1111
1500 mA
3.5.3
CHARGER - Charging Termination Control Register
IC Address = Page-0: 146(0x92), C Address = 0xA092
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
CHG_TERM
00b
RW
Charging Termination Time and method after enter CV mode
[6:2]
TERM_TIMER
00001b
RW
CHG_TERM = 00; Termination Timer = TERM_TIMER x 2 minutes
CHG_TERM = x1; Termination Timer = TERM_TIMER x 10 minutes
7
TERM_CUR
0b
RW
1 = 100mA
0 = 50mA
Termination Current
Table 11
– Register 0xA092 (0x92) Charging Termination Time (CHG_TERM) Settings Bits [1:0]
Bit 1
Bit 0
Description
0
Charge terminates when timer expires. Timer starts counting only once termination current is reached.
0
1
Charge terminates after timer expires. Timer start counting after enter CV mode.
1
0
Charge terminates when termination current is reached.
1
Charge terminates when either timer expires (start timer after enter CV mode) or termination current is
reached.
3.5.4
CHARGER - Application Settings Register
IC Address = Page-0: 147(0x93), C Address = 0xA093
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
0
UVLO_VOL
0b
RW
1 = 3.95 V
0 = 4.15 V
Under-Voltage Lockout
[2:1]
RESERVED
00b
RW
RESERVED
[4:3]
BATGD_VOL
11b
RW
(See
Battery Good Voltage Threshold, lower than this voltage will be charged
with recovery charge method
[7:5]
REC_CHCUR
011b
RW
Battery Recovery Charge Current Control
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