Pin configuration

STUSBCD01B

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2

Pin configuration

Figure 2.

Bump configuration (top through view)

Table 2.

Pin description

Bump

name

Symbol

Type

Description

C3

VBAT

PWR

Analog supply voltage input (2.2 V - 4.5 V)

C2

GND

PWR

Ground reference

A3

PWR

Digital interface supply voltage (1.6 V - 2.8 V)

B4

DP

AI/O

Connected to USB D+ Data line

A4

DM

AI/O

Connected to USB D- Data line

B2

DETECT

O

Hardware detection pin (open drain). 300 k

referred.

A2

SHUTDOWN

I

Standby mode selection pin. Active HIGH. Terminates the detection and resets

the device.

A1

/OE

I

Output enable for DETECT output. Active LOW.

B1

STATUS/

METHOD

AI/O

SW detection output: High when Charger detected. Pulled high or low through

internal weak pull-up to 1V8V and weak pull-down.

Detection method selection input: low for dedicated method, high for current sink

method.

B3

DEFAULT

METHOD

AI

Dedicated method is selected if driven low, current sink method if driven high.

C4

VBUS

AI

when 10 V are applied externally.

C1

1V8V

O

Regulator output voltage. Bypass capacitor not required.