TPIC43T01, TPIC43T02

THREE-PHASE BRUSHLESS MOTOR RPM CONTROLLERS

SLIS098 – APRIL 2000

4

POST OFFICE BOX 655303

Terminal Functions

TERMINAL

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

CLT

8

I

Capacitor lock timer. CLT is a timing capacitor for the lock detect timer oscillator.

CP1

23

O

Charge pump. CP1 is the switched capacitor output number 1.

CP2

24

O

Charge pump. CP2 is the switched capacitor output number 2.

CT

9

I

Timing capacitor. CT is the timing capacitor for the filter oscillator.

F/R

19

I

Forward/Reverse. F/R is the forward/reverse direction data input.

FGIN –

6

I

FGIN – is a inverting amplifier input.

FGIN+

7

O

FGIN+ is a noninverting amplifier input.

FGOUT

5

O

FGOUT is a amplifier output.

FGSOUT

14

O

FGSOUT is a buffered FGS comparator output.

FSEL

17

I

Frequency select. FSEL is a frequency select input.

GND

15

Ground

IN1 –

38

I

Hall amplifier 1 inverting input

IN1+

37

I

Hall amplifier 1 noninverting input

IN2 –

2

I

Hall amplifier 2 inverting input

IN2+

1

I

Hall amplifier 2 noninverting input

IN3 –

4

I

Hall amplifier 3 inverting input

IN3+

3

I

Hall amplifier 3 non-inverting input

LD

16

O

Lock Detect. LD is an active low, open-drain output.

LGA

32

I

Lower gate drive A

LGB

29

I

Lower gate drive B

LGC

28

I

Lower gate drive C

OSC1

12

I

Crystal oscillator input 1. OSC1 is an external OSC input.

OSC2

11

I

Crystal oscillator input 2. OSC2 is an external OSC input.

PGND

21

PGND is the lower gate drive turnoff circuitry GND return.

PHA

34

I

Phase A return

PHB

30

I

Phase B return

PHC

26

I

Phase C return

RT

10

O

RT is the charge/discharge current setting resistor for filter and lock timer oscillators.

S/S

18

I

Stop/Start. S/S = low to start.

SENSE

25

I

Current limit sense. SENSE is the high-side current limit sense input.

TEST

36

I

Test enable

UGA

33

I

Upper gate drive A

UGB

31

I

Upper gate drive B

UGC

27

I

Upper gate drive C

VCC

20

I

Supply voltage

VCP

22

O

Charge-pump voltage source. VCP requires a storage capacitor.

VDD

13

O

5 V Supply output

VPP

35

I

EEPROM programming voltage input