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AP2071 Datasheet(PDF) 4 Page - Asahi Kasei Microsystems

No. de pieza AP2071
Descripción Electrónicos  High Current (8A) white LEDs driver for Flash with I2C
PDF  31 Pages
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Fabricante Electrónico  AKM [Asahi Kasei Microsystems]
Página de inicio  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AP2071 Datasheet(HTML) 4 Page - Asahi Kasei Microsystems

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[AP2071AEN]
MS1607-E-00
- 4 -
2014/03
5. Pin Configurations and Functions
■ Ordering Guide
AP2071AEN
30 to 85C
24-pin QFN
■ Pin Configurations
GND2
LED2
GND3
GND4
LED3
GND5
AGND
VIN
DET
EN
NTC
ADDR
Top View
19
20
21
22
23
24
12
11
10
9
8
7
Exposed pad
■ PIN Functions
No.
Pin Name
I/O
Function
1,18,19,
21,22,24
GND1-6
-
Ground for current sources
2
LED4
I
Connect to Flash/Torch LED pin4
(This pin must be open when not used)
3
STROBE
I
Flashing control input pin
4
SCL
I
I
2C clock input pin
5
SDA
I/O
I
2C data input pin
6
CHARGE
I
EDLC charge pin
0: charge stop (DC-DC convert is stopped too)
1: charge
(Connect this pin to GND when not used)
7
ADDR
I
Chip address LSB bit
Low: “0”; High: chip address= “1”
8
NTC
I/O
Connect to NTC resistor
(Connect this pin to GND when not used)
9
EN
I
Enable pin
10
DET
O
EDLC full charge voltage detection pin (Open drain)
11
VIN
I
Connect to battery
12
AGND
-
Ground for Analog circuit
13
VCAP
O
EDLC voltage protection pin
14
VOUT
O
Voltage output pin
15
SW
I
Connect to coil
16
PGND
-
Ground for DC-DC
17
LED1
I
Connect to Flash/Torch LED pin1
(This pin must be open when not used)
20
LED2
I
Connect to Flash/Torch LED pin2
(This pin must be open when not used)
23
LED3
I
Connect to Flash/Torch LED pin3
(This pin must be open when not used)



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