AIC1528 查看數據表（PDF） - Analog Intergrations

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AIC1528

Dual USB High-Side Power Switch

Analog Intergrations 

AIC1528

BLOCK DIAGRAM

FLGA

CTLA

CTLB

FLGB

Charge

Pump

Thermal

Shutdown

Charge

Pump

OUTA

Driver

Current

Limit

CS

UVLO

IN

Current

Limit

CS

Driver

OUTB

PIN DESCRIPTIONS

PIN 1:

CTLA

- Controls the turn-on/turn-off of

channel A MOSFET with TTL as

a control input. Active high for

AIC1528-1 and active low for

AIC1528-0.

PIN 2:

FLGA

- An active-low and open-drained

fault flag output for channel A.

FLGA is an indicator for current

limit when CTLA is active. In

normal mode operation (CTLA

or/and CLTB is active), it also

can indicate thermal shutdown

or undervoltage.

PIN 3:

FLGB

- An active-low and open-drained

fault flag output for channel B.

FLGB is an indicator for current

limit when CTLB is active. In

normal mode operation (CTLB

or/and CLTA is active), it also

can indicate thermal shutdown

or undervoltage.

PIN 4: CTLB

- Controls the turn-on/turn-off of

channel B MOSFET with TTL as

a control input. Active High for

AIC1528-1 and active low for

AIC1528-0.

PIN 5: OUTB - Channel B MOSFET switch

output.

PIN 6: GND - Power ground.

PIN 7: IN

- Power supply input.

PIN 8: OUTA - Channel A MOSFET switch

output.

7

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