TA8429 ,3.0A FULL VRIDGE DRIVERFEATURES0 Output current is as large as 3.0A (AVE.) and 4.5A(PEAK.)O Stand-by mode available : ISTé ..
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TA8429
3.0A FULL VRIDGE DRIVER
TOSHIBA
TA8429H
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8429H
3.0A FULL BRIDGE DRIVER
The TA8429H is full bridge driver IC for brush motor
rotation control that has current capability of up to 3.0A
(AVE.).
Thermal shutdown and short current protector are
provided.
And also stand-by function available.
FEATURES
0 Output current is as large as 3.0A (AVE.) and 4.5A
(PEAK.)
Stand-by mode available : Yrs 100PA (MAX.)
Thermal shutdown and short circuit protector circuit are
provided.
0 4 modes (Forward/reverse/short brake and stop) are
available with 2 low active TTL compatible inputs control.
Free wheeling diodes are equipped.
HZIP power package sealed.
Wide range of operating voltage : Vcc=7~27V
Vs (opr.) = O--27V
BLOCK DIAGRAM
HZlP12-P-1 .783
Weight : 4.04g (Typ.)
ST VCC
Ja) GD
. 4, D VS
Ihl1 c. D oun
CONTROL
Ci) OUT2
SHORT CURRENT
PROTECTOR x
THERMAL SH UT
Ci) GND
(Note 1) Pin®, (5), Ct), and S) are non connection.
(Note 2) Heat fin is connected with GND with low impedance.
961001 EBA2
TOSHIBA Semiconductor Reliability Handbook.
0 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 responsibilit of the buyer, when utilizing
TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TO HIBA 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
1997-07-01 1/9
TOSHIBA TA8429H
PIN FUNCTION
PIN No. SYMBOL FUNCTIONAL DESCRIPTION
1 lhl1 TTL compatible control inputs
2 IN2 (PNP type low active comparator inputs)
3 N.C Non connection
Output terminals, free wheeling diodes are connected between each output
4 OUT1 .
with GND and vs.
5 N.C Non connection
6 GND GND terminal
7 N.C Non connection
Output terminals, free wheeling diodes are connected between each output
8 OUT2 .
with GND and vs.
9 N.C Non Connection
10 Vs Supply voltage terminal for Motor Drive
11 VCC Supply voltage terminal for control circuit
12 ST Stand-by terminal.
Stand-by state is obtained with this terminal connected with GND (or Open).
961001EBA2'
O The products described in this document are subject to foreign exchange and foreign trade control laws.
o The information contained herein is presented only as a guide for the ap lications 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
l implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
o T 9 information contained herein is subject to change without notice.
1997-07-01 2/9
TOSHIBA
TA8429 H
INTERNAL CIRCUIT
j (io) VS
. l J t 1: ar n Ng
OUT1 OUT2
1 1: 1r ,
}_§ 07 m i-t
G) GND
THERMAL SHUT SHORT CURRENT
CONTROL LOGIC
DOWN PROTECTOR
=6.0V (i)) VCC
:1.24\1
-0D ST
|N1 Ihl2
FUNCTION
INPUT OUTPUT MODE
lbl1 lN2 ST OUT1 OUT2 MOTOR
H H H L L Short brake
L H H L H CW/ CCW
H L H H L CCW/CW
L L H OFF (high impedance) Stop
H/L H/L L OFF (high impedance) Stand-by
1997-07-01 3/9
TOSHIBA TA8429H
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage Vcc, vs 30 V
Input Voltage VIN -0.3-vcc V
Output Current AVE. IO (AVE.) 3.0 A
PEAK Io (PEAK) 4.5 (Note 1)
. . . 2.25 (Note 2)
Power Dissipation PD 21.6 (Note 3) W
Operating Temperature Topr -30--85 °C
Storage Temperature Tstg -55--150 °C
(Note 1) t=100ms
(Note 2) No heat sink
(Note 3) Tc=85°C
ELECTRICAL CHARACTERISTICS (Vcc = 24V, VS =24V, Ta = 25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
I St m de - 6 12
Quiescent Current (I ) CC1 op 0
. Icc2 1 Forward/reverse mode - 20 40 mA
(Vcc Line)
'CC3 Brake mode - 20 40
. ISI Stop mode - 3 8
Elmeljfegt Current ( ) Isa 1 Forward/reverse mode - 16 40 mA
s IS3 Brake mode - 3 8
VINL - - - 0.8
Input Voltage VINH 2 - 2.0 - - V
IINL VIN = GND - - 12
Input Current 2 A
IINH VIN=Vcc - - 10 /t
Output Saturation Voltage Vsatl 3 Io=1.5A - 2.1 2.8 V
(Note) Vsat2 Io = 3.0A - 3.3 4.1
ILU VL=25V - - 50
Output Leakage Current ILL 4 VL=25V - - 50 PA
. VFU IF=3.0A - 5.0 -
Diode Forward Voltage VFL 5 IF=3.0A - 1.5 -
Limiting Current ISD - - - 5 -
Thermal Shutdown 0
Operating Temperature TSD - - - 150 - C
Stand-by Current IST - - - 100 /1A
t 2 - - 1 10
. . pLH
Propagation Delay Time tpHL 2 - - 1 10 p5
(Note) Upper and lower side total
TOSHIBA TA8429H
TEST CIRCUIT 1.
ISI, IS2, Isa, k:cl, lcczl k:cy IST
SW31 .,
fix“ Cf, IQ
SW1 12 11 10
. VIN1
Ft, -Nr''"i1C Ci)
Fi', TA8429H
SW2 ?GND
VINH: VINL: 'INH: 'INL. tpHL, tpLH
TEST CIRCUIT 2.
(a) W /y, _
62) oi a» PO
SW4 9 VS
L CD-i,,-] _
J -o oscilloscope
o TA8429H
?EPW f""
TEST CIRCUIT 3.
(Note 1)
TA8429H
Vcc Vs
(Note 2)
(Note 1)
(Note 1) Vsat=VSU+VSL
(Note 2) Calibrate lg to 1.5/3.0A by RL
1997-07-01 5/9
TOSHIBA
TA8429H
TEST CIRCUIT 4.
ILU, ILL
TEST CIRCUIT 5.
l/FU, VFL
(ii 6.1) 10 Vcc VL
TA8429H .
TA8429H
'R Lt VFU
10 sw1 m
D-tio,
1997-07-01 6/9
TOSHIBA TA8429H
VOL, VOH - IOUT PD MAX - Ta
(O INFINITE HEAT SINK
S-....... © 4.1“C/w HEAT SINK
1.0 s 9.5°C/W HEAT SINK
a""'"''----.... a Rth (j-c) = 3°C/ W
ii.." '"ss " E © NO HEAT SINK
"' 2.0 "", g
> 3.0 EY
Q " o th
r- FY “-9.
"'8 2.0 o
> ..---- Ft''
1.0 -.------"
0 1.0 2.0 3.0 0 25 50 75 100 125 150 175
OUTPUT CURRENT IOUT (A) AMBIENT TEMPERATURE Ta (°C)
Rth (j-c) - tw
(°C/W)
TRANS|ENT THERMAL RESISTANCE
Rth (j-c)
"0.2 1 3 10 30 100 300 1000
PULSE WIDTH tw (s)
1997-07-01 7/9
TOSHIBA TA8429H
APPLICATION CIRCUIT 1. (Single power supply operation)
Vcc=24V
j, k"'"" '/itir'
VCC Vs
IE?, ST OUT1 3,
roo---Cmo1 TA8429H M
vss P02 --C IN2 OUT2 tri)
© 'r-------,,
APPLICATION CIRCUIT 2. (Dual power supply (Control and Motor) operation)
Vcc--24V
(Note 2) F __________
+ + LI.
I 11 10 n;
VCC Vs
VDD P01 --(ii) ST OUT1 Ci)
CPU 'Soi-Cyn, TA8429H ii)
(Note 1)
vss P03 ---OD IN2 OUT2 Ci..)
'r-----,
Not to have a common impedance with other lines and use low impedance wire.
Pill I
(Note 1) Recommend to take approximately 100ps of input dead
time for reliable operations. INit
(Note 2) Connect if required.
(Note 3) Utmost care is necessary in the design of the output
line, vs and GND line since IC may be destroyed due to
short-circuit between outputs, air contamination fault,
or fault by improper grounding.
1997-07-01 8/9
TOSHIBA
OUTLINE DRAWING
HZIP12-P-1.78B
$313102
f- C-cts
\__J m
“l g g!
tl 5 '
____.Q
1.42m - 0ditr-'SMizr:
' ' tt ,
22.9MAX
Weight : 4.049 (Typ.)
TA8429H
Unit : mm
2.075TYP
1997-07-01 9/9
www.ic-phoenix.com
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