ADP1650ACPZ-R7 datasheet(7/32 Pages) AD

部品番号	ADP1650ACPZ-R7

部品情報	1.5 A LED Flash Driver with I2C-Compatible Interface

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ADP1650

Rev. C | Page 7 of 32

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

TOP VIEW

(BALL SIDE DOWN)

Not to Scale

PGND

SGND

VIN

SW

GPIO2

GPIO1

VOUT

STROBE

EN

LED_OUT

SDA

SCL

1

A

B

C

D

23

BALL A1

INDICATOR

1

VIN

2

GPIO2

3

GPIO1

4

SDA

5

SCL

10 STROBE

9EN

8SW

7VOUT

6LED_OUT

TOP VIEW

ADP1650

NOTES

1. THE EXPOSED PADDLE MUST BE CONNECTED

TO GROUND.

Figure 4. WLCSP Pin Configuration

Figure 5. LFCSP Pin Configuration

Table 6. Pin Function Descriptions

Pin No.

WLCSP

LFCSP

Mnemonic

Description

A1

N/A1

PGND

Power Ground.

A2

N/A1

SGND

Signal Ground.

A3

1

VIN

Input Voltage for the Device. Connect an input bypass capacitor close to this pin.

B1

8

SW

Boost Switch. Connect the power inductor between SW and the input capacitor.

B2

2

GPIO2

ILED/TX2/ADC. Mode is register selectable. Red indicator LED current source or

TxMASK2 or ADC input.

ILED Mode. Connect to red LED anode. Connect the LED cathode to power ground.

TxMASK2 Mode. Reduces the current to the programmable TxMASK2 current.

ADC Mode. This pin is used as the input pin for the ADC.

B3

3

GPIO1

Torch/TX1. Mode is register selectable. External torch mode or TxMASK1 input.

Torch Mode. Enables the integrated circuit (IC) in direct torch mode.

TxMASK1 Mode. Reduces the flash current to the programmable TxMASK1 current.

C1

7

VOUT

Boost Output. Connect an output bypass capacitor very close to this pin. This is the

output for the 5 V external voltage mode.

C2

10

STROBE

Strobe Signal Input. This pin synchronizes the flash pulse to the image capture. In

most cases, this signal comes directly from the image sensor.

C3

9

EN

Enable. Set EN low to bring the quiescent current (IQ) to <1 μA. Registers are set to

their defaults when EN is brought from low to high.

D1

6

LED_OUT

LED Current Source. Connect this pin to the anode of the flash LED.

D2

4

SDA

I2C Data Signal in I2C Mode.

D3

5

SCL

I2C Clock Signal in I2C Mode.

0

EPAD

Exposed Pad. Connect the exposed pad to the ground plane for the LFCSP version.

1 N/A means not applicable.

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