AAT3688

USB Port Lithium-Ion/Polymer Battery Charger

3688.2006.10.1.5

5

Symbol

Description

Conditions

Min Typ

Max Units

Logic Control / Protection

1.6

V

Input Low Threshold

0.4

V

Input High Threshold

1.6

V

Input Low Threshold

0.4

V

Output Low Voltage

STAT Pin Sinks 4mA

0.4

V

STAT Pin Current Sink Capability

8.0

mA

Over-Voltage Protection Threshold

4.4

V

Pre-Charge Current

For USBH Mode

10

%

For USBL Mode

50

Charge Termination Threshold Current

For USBH Mode

7.5

%

Charge Termination Threshold Current

For USBL Mode

35

%

Current Source from TS Pin

70

80

90

µA

TS1

TS Hot Temperature Fault

Threshold

310

330

350

mV

Hysteresis

15

TS2

TS Cold Temperature Fault

Threshold

2.2

2.3

2.4

V

Hysteresis

10

mV

I_DATA

DATA Pin Sink Current

DATA Pin is Active Low State

3.0

mA

Input High Threshold

1.6

V

Input Low Threshold

0.4

V

Status Request Pulse Width

Status Request

200

ns

System Clock Period

50

µs

Data Output Frequency

20

kHz

Over-Temperature Shutdown Threshold

145

°C

1. The AAT3688 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C

temperature range is guaranteed by design.