ams Datasheet

Page 3

[v1-03] 2015-Aug-31

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AS3728 − Pin Assignment

Figure 3:

Pin Diagram - 24 Balls WL-CSP with 0.4mm Pitch

Figure 4:

Pin Description

Pin Description: Shows the pin number, type, name and description of every pin.

Pin Number

Pin Name

Pin Type

Description

A1

BOOST1

AI

Supply pin for phase 1 high-side NMOS driver

B1

CTRL1

AIO

Control IO for phase 1

C1

5VSUP

S

5V supply pin

D1

TEMP

AIO

ON/OFF control and temperature feedback

E1

CTRL2

AIO

Control IO for phase 2

F1

BOOST2

AI

Supply pin for phase 2 high-side NMOS driver

A2, B2, C2

HVSUP

S

Phase 1 positive supply terminal

D2, E2, F2

HVSUP

S

Phase 2 positive supply terminal

A3, B3, C3

LX1

AIO

Phase 1 switching output to coil

D3, E3, F3

LX2

AIO

Phase 2 switching output to coil

A4, B4, C4

PVSS

Phase 1 negative supply terminal

D4, E4, F4

PVSS

Phase 2 negative supply terminal

Pin Assignment

A2

HVSUP

A3

LX1

C1

5VSUP

D2

HVSUP

C2

HVSUP

B3

LX1

A4

PVSS

B2

HVSUP

B1

CTRL1

C4

PVSS

D3

LX2

A1

BOOST

1

B4

PVSS

C3

LX1

D4

PVSS

Pin A1

indicator

D1

TEMP

E1

CTRL2

F2

HVSUP

E2

HVSUP

E4

PVSS

F3

LX2

E3

LX2

F4

PVSS

F1

BOOST

2