Apple Battery Charger User Manual download pdf (Page 8)

8 Maxim Integrated

USB Battery Charger Detectors

MAX14578E/MAX14578AE

Bump Configuration

Bump Description

TOP VIEW

(BUMP SIDE DOWN)

() MAX14578AE ONLY.

*CONNECT EP TO GND.

WLP

2413

CD+ CD- V

INT

(LOUT)

GND

SCL

(EN)

SDA

(CE0)

CE1

TD+ TD- BAT CE2

MAX14578E/MAX14578AE

N.C.

CD+

TD+

N.C.

(LOUT_SNS)

INT

(LOUT)

CE2

SCL

(EN)

12 10 9

TD-

N.C.

BAT

CD-

GND

EP*

N.C. CE1

SDA

(CEO)

TQFN

MAX14578E

MAX14578AE

TOP VIEW

NAME FUNCTION

MAX14578E MAX14578AE

TQFN-EP WLP TQFN-EP WLP

1 C1 1 C1 TD+ USB Transceiver D+ Connection

2, 3,

10, 16

— 2, 3, 16 — N.C. No Connection. Not internally connected.

4 A1 4 A1 CD+ USB Connector D+ Connection

5 B1 5 B1 GND Ground

6 A2 6 A2 CD- USB Connector D- Connection

7 C3 7 C3 BAT

Battery Connection Input. Connect a 1FF capacitor as close as possible

between BAT and GND.

8 A3 8 A3 V

USB Connector V

BUS

Connection. Connect a 1FF capacitor as close

as possible between V

and GND for Q15kV ESD protection.

9 A4 — — INT Active-Low Interrupt Request, Open-Drain Output

— — 9 A4 LOUT

+5.3V USB Transceiver V

BUS

Power Output. Connect a 1FF capacitor

as close as possible between LOUT and GND.

— — 10 — LOUT_SNS Connect Externally to LOUT (MAX14578AE, TQFN Only)

11 B4 11 B4 CE1 Charger-Enable Control 1, Open-Drain Output

12 C4 12 C4 CE2 Charger-Enable Control 2, Open-Drain Output

13 B3 — — SDA

C Serial-Data Input/Output. Connect SDA to an external pullup

resistor.

— — 13 B3 CE0 Charger-Enable Control 0, Open-Drain Output

— — 14 B2 EN

Active-Low Enable Input. Drive EN low to enable the charger ID

detection and close the USB switches after charger detection is

complete.

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Apple Battery Charger User Manual Page 8

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