Circuit and method for implementing a multi-function pin on...

Details Circuit and method for implementing a multi-function pin on... Circuit and method for implementing a multi-function pin on...

2007-06-19

2007-06-19

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S283000, C330S297000

Reexamination Certificate

active

11171437

ABSTRACT:
For a PWM controller chip in a voltage converter to switch a pair of high side and low side switches connected with a phase node therebetween, a circuit comprises a sense resistor connected between a multi-function pin on the PWM controller chip and the phase node, and an enable arrangement, a power sensing arrangement, and an over-current protection arrangement to detect the voltage on the multi-function pin for accomplishing enable function, power sensing, and over-current protection, respectively.

REFERENCES:
patent: 4808946 (1989-02-01), Carver et al.

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