remote device. The MAX8601 can be configured to

charge its battery at the highest current possible from

the host port. Figure 4 shows the MAX8601 configured

as a USB battery charger. A USEL input sets the maxi-

mum charging current from the USB input at 100mA or

500mA.

Layout and Bypassing

Connect the input capacitors as close to the device as

possible. Provide a large copper GND plane to allow the

exposed paddle to sink heat away from the device.

Connect the battery to BAT as close to the IC as possi-

ble to provide accurate battery voltage sensing. Make

all high-current traces short and wide to minimize volt-

age drops. For an example layout, refer to the MAX8601

evaluation kit.

Chip Information

TRANSISTOR COUNT: 6838

PROCESS: BiCMOS

Single-/Dual-Input 1-Cell Li+ Chargers with

OVP Protection and Programmable Charge Timer

10

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TOP VIEW

8

9

10

11

12

13

14

7

6

5

4

3

2

1

MAX8601

TDFN

SETI

BAT

THM

GND

CT

USEL

BAT

FLT

DC

DC

CHG

POK

USB

EN

Pin Configurations (continued)