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參數(shù)資料
| 型號： | MB3893A |
| 廠商： | Fujitsu Limited |
| 英文描述： | Power Management IC for Mobile Phone |
| 中文描述： | 電源管理IC的移動(dòng)電話 |
| 文件頁數(shù)： | 3/44頁 |
| 文件大小： | 496K |
| 代理商： | MB3893A |
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MB3893A
3
I
PIN DESCRIPTION
(Continued)
Pin No.
Symbol
I/O
O
Description
1
VIN
Power supply pin for the charge control unit.
2
CONT
ISENSE
+
ISENSE
DRST
External P-ch MOS FET output control pin.
3
I
Charge current detection input pin.
4
I
Charge current/voltage detection input pin.
Power supply drop detection reset input pin. 100 k
pull-down.
Battery voltage measurement setting pin. 100 k
pull-down.
POR delay time setting capacitor connection pin.
5
I
6
CONT5
I
7
C1
I
8
GND1
I
Ground pin.
REG ON control pin. 100 k
pull-up: VCC (edge input)
Reference voltage output pin. (Power supply control unit)
REG On control pin. 100 k
pull-up: VCC (with delay)
Power supply drop detection judgement capacitor-resistor connection pin.
9
ONOFF1
10
VREF1M
O
11
XON
I
12
CR1
I
13
CR2
I
Cutoff detection judgement capacitor-resistor connection pin.
REG ON control pin. 100 k
pull-up: VCC
XON delay time setting capacitor-resistor connection pin.
470 k
pull-up: VCC (XON
=
L
O
)
REG rise signal output pin.
REG ON control pin. 100 k
pull-up: VCC (edge input)
REG OFF control pin. 100 k
pull-down (OFF)
REG reference pin.
14
CONT1
I
15
RC1
I
16
VCONT
O
17
ONOFF2
I
18
POFF
I
19
VFIL
O
O
20
TEST
Testing auxiliary pin. (normally GND connection)
21
VCC2
REG4 power supply pin.
22
OUT4
REG4 output pin.
(2.5 V Typ.)
23
SW1
O
Battery voltage measurement output pin.
LED input pin. 100 k
pull-down (LEDR : “L”
=
ON, “H”
=
OFF)
LED input pin. 100 k
pull-down (LEDG : “H”
=
ON, “L”
=
OFF)
REG3 On/Off control pin. 470 k
pull-up : OUT1
REG3 output pin.
24
LEDEN
I
25
LED
I
26
CONT2
I
27
OUT3
O
O
(2.0 V Typ.)
28
VCC1
REG1, 2, 3 supply pin.
29
OUT1
REG1 output pin.
(2.5 V Typ.)
30
OUT2
O
REG2 output pin.
(1.8 V Typ.)
31
FULL
O
Charge state detection signal output pin. (full charge)
32
CHARGE
O
Charge state detection signal output pin. (charging)
33
VBDET2
O
Power supply drop detection output signal pin.
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