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TA8529F
STEPPING MOTOR DRIVER IC (TA8528 + 2SA950 x 4 MCP)
TOSHIBA TA8529F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT MULTI-CHIP PACKAGE
TA8529F
Stepping Motor Driver IC
(TA8528-r2SA950x4 MCP)
TA8529F is a stepping motor driver IC which operates
based on bipolar transistors.
The device incorporates stepping motor driver IC TA8528
and four PNPtransistors 2SA950 configuring a multi-chip
package.
It also incorporates a standby function and two bridge
drivers which enable an inductive load to be driven by
the bipolar transistors.
Four-port inputs allow driving by 1-phase excitation, 2-
phase excitation, or 1/2-phase excitation. Selecting the
mode enables two-port inputs which allows driving by 2-
phase excitation.
The device can be used as a low-saturation-voltage
bridge driver.
HSOP20-P-450-1.00
FEATURES Weight : 0.799 (Typ.)
. Two low-saturation-voltage bridge drivers: saturation voltage < 0.95V(Io=400mA)
o 1-phase excitation, 2-phase excitation, 1/2-phase excitation enabled by four-port inputs
(pin 11 open)
2-phase excitation enabled by two-port inputs (pins 8, 9, 11 grounded)
Built-in standby function
Built-in rush-current protector circuit for when switching excitation current
Standard 20-pin PFP
GND pin = heat sink
BLOCK DIAGRAM
EBI 19 VCC2
OBH 1 CAL
_ driver B driver A -
OBL 1 OAH
EB2 1 oru.
GND GND
INA 6 1 OAH
INB 7 Standby circuit 1 CA1
NR 8 1 EA1
INE 9 block A Two-port select 1 VCC1
11 MODE
961001EBA2
O TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing
TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss
of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the
TOSHIBA Semiconductor Reliability Handbook.
tt The products described in this document are subject to foreign exchange and foreign trade control laws.
0 The information contained herein is presented only as a guide for the ap Iications of our products. No responsibility is assumed by TOSHIBA
CORPORATION for any infringements of intellectual property or other rights 0 the third parties which may result from its use. No license is granted
by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
o T e information contained herein is subject to change without notice.
1997-10-29 1/7
TOSHIBA TA8529F
PIN FUNCTION
PIN No. PIN NAME FUNCTION I/O
1 OBL Bridge driver B output pin 0
2 EB1 PNP transistor emitter pin -
3 OBH PNP transistor base pin -
4 orit. Bridge driver B output pin 0
5 E82 PNP transistor emitter pin -
6 INA Channel A excitation input pin I
7 INB Channel B excitation input pin I
8 INA Channel A excitation input pin I
9 INB Channel B excitation input pin I
10 SB Standby function input pin I
11 MODE Two-port input select mode pin I
12 VCC1 5V supply pin -
13 EA1 PNP transistor emitter pin -
14 CAI PNP transistor collector pin -
15 OAH PNP transistor base pin -
16 CAL Bridge driver A output pin 0
17 OAH PNP transistor base pin -
18 CAL Bridge driver A output pin 0
19 Vcc2 5V/12V supply pin -
20 OBH PNP transistor base pin -
F S.GND Small signal ground pin -
P.GND Power ground pin
LOGIC CHART
INPUT OUTPUT
SB MODE INA (B) INTAKE) OA (B) L ty)Tirf) L
L H L L 00 00 OPERATION
L H H H 00 00 OPERATION
L H H L L H OPERATION
L H L H H L OPERATION
L L L L H L OPERATION
L L H L L H OPERATION
H X X X co 00 STAND-BY
X : Don't Care
: High impedance
1997-10-29 2/7
TOSHIBA
TA8529F
TIMING CHART 1
TIMING CHART 2
I—II—Ir—Il—Il—I
l—Ir—Il—II—Ir—Il—I
-ut.p-HL
_._IEP_L”| I I l
V52 = VCC2 - VsatH
vs, = VsatL
tpLH I
1997-10-29 3/7
TOSHIBA
MAXIMUM RATINGS (Ta = 25C°)
CHARACTERISTICTS SYMBOL RATING UNIT
Power supply voltage x22; //,' V
Output current Io (MAX) i 500 mA
Input voltage VIN --Vccl V
Power dissipation PD 1.0 W
Operating temperature Topr (Note) -30--75 ''C
Storage temperature Tstg - 55~150 °C
(Note) Depending on the operating temperature, output current may be restricted. (See Pd-
Ta characteristics graph.)
RECOMMENDED OPERATING CONDITION
TA8529F
CHARACTERISTICS SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Vcc1 - - 4.5 - 5.5
Power supply voltage VCC2 - - 4.5 - 13.2 V
Package PFP-20 characteristics
PD - Ta
Power dissipation
g'" 6 Rth (i-c) =13°CIW
Rth (j-a) =130°C/W
f 'I (Note) 50x50x 1mm
l Fe heat sink
ly 4 \
5 (Note) Infinite heat sink l
e 's, \
I' 2 "s
L. N. 's
fl _ "s h
r-- No heat sink _ .
- mt. -... \
o -... :.t.S
50 100
Ambient temperature Ta (°C)
1997-10-29 4/7
TOSHIBA TA8529F
ELECTRICAL CHARACTERISTICS (Ta = 25°C, VCC1 = 5V, VCC2 = 12V)
CHARACTERISTICS SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Icc1 - - 5
- V =5V, out ut o en A
'CCZ SB p p - - 10 "
Icc1 V53 = 5V, output open - - 5 A
Icc2 1input=5V\ 3 inputs=0V - - IO "
lccl V53 = 5V, output open - - 5
- A:1input=5V, B : 1 input=5V pA
'ccz A:1input=0V, B : 1 input=0V - - IO
Supply Current Icc1 Output open, VSB=OV - 25 30 mA
lCC2 1input=5V, 3 inputs=0V - 20 25
Icc1 Output open, VSB=0V - 35 44
- A:1input=5V, B : 1 input=5V mA
lCC2 A:1input=0V, B : 1 input=0V - 35 47
'CC1 Output open, VSB=0V - 35 44
- . mA
ICCZ VMODE =0V, input=0V - 35 47
VINH - Pins 6, 7, 8, and 9 2.0 - ch V
VINL GND - 0.8
VSBH . 3.5 - Vcc1
- Pin 10 V
Input Voltage VSBL GND - 2.0
VMODEH - Pin 11 3.5 - Vcc1 v
VMODEL GND - 2.0
I - V = . V - -2 -1
NH IN 3 5 Pins 6, 7, 8, and 9 0 prA
I t c t IINL - le=o.4v - -200 -300
npu urren - - - - -
ISBH VSB=3.5V Pin 10 30 45 #A
ISBL - VSB =O.4V - - 150 -220
VsatH1 - Io =100mA - 0.1 - V
Saturation voltage VsatH2 - IO=400mA - 0.15 -
(Note) vsam - Io =100mA - 0.1 - v
Vsat1 =VsatH1 +VsatL1 VsatL2 - IO =400mA - 0.45 -
Vsat2 = VsatH2 + VsatL2 Vsatl - Io =100mA - 0.2 0.4 v
Vsat2 - IO =400mA - 0.6 0.95
Diode Forward
Voltage VF - lF=400mA - 1.4 1.6 v
t - 40 -
Delay time During pLH - IN-s, ,us
tpHL - 5 -
1997-10-29 5/7
TOSHIBA TA8529F
APPLICATION CIRCUIT
1. Four-input method
5V/12V
95A 3155
a 19 18 (ii 16 F (E9 14 13 12 CD
TA8529F
Q) 2 Q) (4) s F
fi? "t Li
m INB-
2. Two-input method
5V/12V . 5V
j, i/N “wa j, j, ;
a 19 18 ® 16 F Cs) 14 13 12 11
TA8529F
Q) 2 (3) O.) 5 F 7 a 9 10
w 41) Li I "f 'ji:' 'f' t
3. Power save application circuit
5V/12V
_ H : Standby
Tt ON :VDD O
I OFF : Power save
95A ssrs
a 19 18 (ij) 16 F 63 14 13 12 GD
TA8 5 2 9 F
Q) 553 2 Q) o',,,,-? lo? 7 (8i 'il lol -
M1; INB
1997-10-29 6/7
TOSHIBA TA8529F
PACKAGE DRAWING
HSOP20-P-450-1.00 Unit : mm
4.4:e0.1
20 C,".CL=s'l - 11
H H H H H F: H H - F -
'/1i'(,_.i,ic1'z'-ji,.,l,",,).f, s'
1.0TYP_ - "", jf))] " 0510.1 [EIC.stliay
k 16.5MAX
I 16.0:t0.2
0 1:3 55 2 31:0 2
2 7MAX
0-25 —o.os
l 0.92:0.2
Weight : 0.799 (Typ.)
1997-10-29 7/7
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