ADP5061

Data Sheet

Rev. 0 | Page 8 of 44

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

Figure 3. Pin Configuration

Table 6. Pin Function Descriptions

Pin No.

Name

Type1

Description

E2, D2, C2

ISO_S1, ISO_S2,

ISO_S3

I/O

Linear Charger Supply Side Input to the Internal Isolation FET/Battery Current Regulation FET.

High current input/output.

E3, D3, C3

VIN1, VIN2, VIN3

I/O

Power Connections to USB VBUS. These pins are high current inputs when in charging mode.

B1

AGND

G

Analog Ground.

E1, D1, C1

ISO_B1, ISO_B2,

ISO_B3

I/O

Battery Supply Side Input to Internal Isolation FET/Battery Current Regulation FET.

A4

SCL

I

A3

SDA

I/O

E4

DIG_IO1

GPIO

Set Input Current Limit. This pin sets the input current limit directly. When DIG_IO1 = low or

high-Z, the input limit is 100 mA. When DIG_IO1 = high, the input limit is 500 mA.2, 3

C4

DIG_IO2

GPIO

Disable IC1. This pin sets the charger to the low current mode. When DIG_IO2 = low or high-Z, the

charger operates in normal mode. When DIG_IO2 = high, the LDO and the charger are disabled

and VINx current consumption is 280 µA (typical). 20 V VINx input protection is disabled and VINx

voltage level must be equal to or lower than 5.5 V.2, 3

B4

DIG_IO3

GPIO

Enable Charging. When DIG_IO3 = low or high-Z, charging is disabled. When DIG_IO3 = high,

charging is enabled.2, 3

B2

THR

I

Battery Pack Thermistor Connection. If this pin is not used, connect a dummy 10 kΩ resistor from THR

to GND.

D4

BAT_SNS

I

Battery Voltage Sense Pin.

A1

ILED

O

Open-Drain Output to Indicator LED.

A2

SYS_EN

O

System Enable. This is the battery OK flag/open-drain pull-down FET pin to enable the system

B3

CBP

I/O

Bypass Capacitor Input.

1

I is input, O is output, I/O is input/output, G is ground, and GPIO is factory programmable general-purpose input/output.

2

See the Digital Input and Output Options section for details.

3

DIG_IOx setting defines the initial state of the ADP5061. When the parameter or the mode that is related to each DIG_IOx pin setting is changed (by programming the

TOP VIEW

(BALL SIDE DOWN)

Not to Scale

1

A

B

C

D

E

2

3

4

BALL A1 CORNER

ILED

AGND

ISO_B3

ISO_B2

SDA

CBP

VIN3

VIN2

SCL

DIG_IO3

DIG_IO2

BAT_SNS

SYS_EN

THR

ISO_S3

ISO_S2

ISO_B1

VIN1

DIG_IO1

ISO_S1