HIT HA13532NT Datasheet

HA13532NT
Three-Phase Stepping Motor Control IC
Description
The HA13532NT is an IC for control a three-phase stepping motor.
Functions
Low-voltage inhibit (LVI)
Three-bit D/A converter for current programming
Motor on/off
Selectable 2-phase or 2-3-phase exciting
ADE-207-121A (Z)
2nd Edition
July 1996
Features
Wide operating voltage range
Few external components
HA13532NT
Pin Arrangement
INSEL
CK2/DIR
CK1
Rt
NC
Ct
GND
V0
NC
V1 V2
DAOUT
VREG
1 2 3 4 5 6
TAB
7 8 9 10 11 12
24 23 22 21 20 19
TAB
18 17 16 15 14 13
EXSEL V
CC
U U NC V
GND
V NC W W SENSE OE
(Top view)
2
Block Diagram
23
HA13532NT
V
CC
C101
INSEL
H:L:CK2
DIR
Excite select
EXSEL
H:
2 — 3ø
L:
12VREG REG
LVI
3CK1
2CK2/DIR
Commutation
1Input select
24
13OE
10V2
9V1 7V0
POR
logic
3 bit
DAC
LVI
LVI
PWM
control
Ru
22 U
18 V
16 W
21 U
19 V
15 W
Rd
14 SENSE
LVI:
Low-voltage inhibit circuit
POR:
Power-on reset circuit
5 8 17 20 11
DAOUT
TAB 4 6
Rt Ct
3
HA13532NT
Pin Description
Pin No. Pin Name Function Pin Voltage
1 INSEL Selects pin 2 input: CK2 if high; DIR if low (see
timing diagrams) 2 CK2/DIR CK2 or DIR input (see timing diagrams) VTH = 2.5 V typ 3 CK1 CK1 input (see timing diagrams) VTH = 2.5 V typ 4 Rt Reference value for 3-phase output current
and Ct charge/discharge current 5 NC No connection 6 Ct Time constant for PWM carrier frequency 7 V0 Voltage programming input to DAC (LSB) VTH = 2.5 V typ 8 NC No connection 9 V1 Voltage programming input to DAC VTH = 2.5 V typ 10 V2 Voltage programming input to DAC (MSB) VTH = 2.5 V typ 11 DAOUT DAC output 12 VREG Regulated output 4.8 V typ (@I = 2 mA) 13 OE Output enable: low enables PWM output
phases U, V, and W; high gives high
impedance 14 SENSE Current feedback 0 V min, 5.0 V max 15 W Phase-W lower-arm output 16 W Phase-W upper-arm output 17 NC No connection 18 V Phase-V upper-arm output 19 V Phase-U lower-arm output 20 NC No connection 21 U Phase-U lower-arm output 22 U Phase-U upper-arm output 23 V 24 EXSEL Selects exciting mode: 2-phase if high; 2-3-
CC
Power supply 10 V min, 27.6 V max
phase if low (see timing diagrams)
= 2.5 V typ
V
TH
4.8 V typ
VTH = 2.5 V typ
VTH = 2.5 V typ
4
Application Circuit
CK1
3
23
22
C101
Q1
D1
Q2
D2
Q3
HA13532NT
V
CC
D3
CK2/DIR
INSEL
EXSEL
VR101
OE
V2 V1 V0
2
1 24 13
10 9 7 11
TAB 4 6
18 16
15 19 21
14
C102
C103
Q4
C104
C105
CtRt
D4
R101
Q5
D5
Rnf
Q6
D6 *1
Notes: 1. Use high-speed diodes for D4, D5, and D6.
5
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