ADP1653ACPZ-R21 datasheet(8/24 Pages) AD

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ADP1653

Rev. A | Page 8 of 24

Table 6. Mode Selection

Pin Mnemonic

Value

INTF = 0 (I2C Interface)

INTF = 1 (2-Bit Logic Interface)

CTRL0/SDA

SDA

CTRL1, CTRL0 = 0, 0 (ADP1653 disabled)

CTRL1/SCL

SCL

CTRL1, CTRL0 = 0, 1 (ADP1653 indicator LED)

CTRL1, CTRL0 = 1, 0 (ADP1653 torch mode)

CTRL1, CTRL0 = 1, 1 (ADP1653 flash mode)

Low

ADP1653 disabled

High

ADP1653 enabled

Low

Flash disabled

Ignored

STR

High

Flash enabled

Ignored

Low

Fault condition

INT

High

Normal operation

Resistor

Ignored1

SETI resistor sets indicator LED current2

SETI

High

I2C sets ILED current

ILED current = 10 mA

Resistor

Ignored1

SETT resistor sets torch current2

SETT

High

I2C sets torch current

Torch current = 125 mA

Resistor

SETF resistor(s) and I2C set flash current and torch current3

SETF resistor(s) set flash current2

SETF

High

I2C sets flash current

Flash current = 500 mA

1 If a resistor is present on SETI or SETT in I2C mode, it is ignored. Both pins should be tied high when operating in I2C mode.

2 If a resistor is present, the current is set by this resistor. If a resistor is not present, the pin must be tied high and a default internal current set.

3 If a resistor is present on SETF in I2C mode, the output current scales with both the I2C setting and the external reference current. The SETF resistor scales both the flash

mode and torch mode currents.

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