Using the Demoboard for the TD350 Advanced IGBT Driver

AN2002

5/8

Table 1: Bill of materials for demoboard

Designator

Description

Value

Package

R1

desaturation resistor

1K-1%

0805

C1

desaturation filtering capacitor

100pF-X7R

0805

C3

positive supply ceramic decoupling capacitor

100nF-X7R

0805

C5

negative supply ceramic decoupling capacitor

100nF-X7R

0805

C6

positive supply electrolytic capacitor

47

µF-50V

d6.3 x h7.7

C7

negative supply electrolytic capacitor

47

µF-50V

d6.3 x h7.7

R6

turn-on gate drive resistor

47R-1%

0805

R7

turn-off gate drive resistor

47R-1%

0805

R9

strap (optional)

0R

0805

R11

bleeding resistor for Zener diode D2

10K-1%

0805

C2

Vref decoupling capacitor

10nF-X7R

0805

R5

FAULT pin pull-up resistor

10K-1%

0805

R8

2-level turn-off timing resistor

4K7-1%

0805

C4

2-level turn-off timing capacitor

470pF-X7R

0805

R10

bleeding resistor for Zener diode D1

10K-1%

0805

D1

Zener diode for 2-level turn-off intermediate level programming

10V

Melf

D2

Zener diode for IN pin level

5V1

Melf

U1

IGBT/MOSFET driver

TD350

SO-14

J1

Input connector

8-lead

J2

Output connector

4-lead

C8

Vref/2 filtering capacitor

not mounted

0805

R4

Vref/2 divider bridge lower resistor (only with pulse transformer)

not mounted

0805

R3

Vref/2 divider bridge upper resistor (only with pulse transformer)

not mounted

0805

R2

adjustment resistor (only with pulse transformer)

not mounted

0805