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MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
MC33186
Automotive H-Bridge Driver
SILICON MONOLITHIC INTEGRATED CIRCUIT
Datasheet
Automotive H-Bridge Driver
Operating Supply Voltage 5V to 28V Overvoltage Protection against Transients up to 40V at Vbat RDSon = 150mW for each Output Transistor at 25C Continous DC Load Current 5A (TC < 100C) Output Current Limitation at typ 6,5A +/- 20% Short-Circuit Shutdown for Output Currents over 8A Logic Inputs TTL/CMOS Compatible Operating Frequency up to 20 kHz Overtemperature Protection Short-Circuit Protection Undervoltage Disable Function Diagnostic Output 2 Disable Inputs Coding Input for Alternative Functions HSOP20 Power Package Stable Operation with an External Capacitance of maximum 47mF at Vbat
HSOP20
PIN ASSIGNMENT
AGND SF IN1 Vbat Vbat OUT1 OUT1 COD PGND
1 2 3 4 5 6 7 8 9 20 19 18 17 16 15 14 13 12 11
NC IN2 DI1 CP Vbat OUT2 OUT2 DI2 PGND PGND
PGND 10
Metal slug is connected to power ground
ORDERING INFORMATION
Device MC33186DH1 Temperature Range -40C to +125C Package HSOP20
Block Diagram And Typical Application Cp Vbat Vbat Vbat
Charge-Pump
Internal 5V
SF
Under-Voltage Overcurrent High-Side
IN1 IN2 Logic DI1 DI2
Gate Control: 1-2 OUT1 Gate Control: 3-4 OUT2
Over temperature
Overcurrent Low-Side
COD
Current limitation
GROUND
This document contains information on a new product under development. Motorola reserves the right to change or discontinue this product without notice.
O Motorola,Inc
Date : 10/12/98 Rev : 2.8
MC33186
MAXIMUM RATINGS
Ratings ELECTRICAL RATINGS Symbol Min Typ Max Unit
Supply Voltage - Static Destruction Proof - Dynamic Destruction Proof t < 0,5s Logic Inputs (IN1, IN2, DI1, DI2, CODE) Output Status - Flag SF
THERMAL RATINGS
V Vbat Vbat U USF -1 -2 - 0.5 - 0.5 28 40 7 7 V V
Junction Temperature Storage Temperature Ambient Temperature Thermal Resistance (with power applied on 2 power MOS)
Tj Ts Ta RthJC
- 40 - 55 - 40
+150 +125 +125 +1,5
C C C K/W
ELECTRICAL CHARACTERISTICS.Tj : from -40C to +150 C, Vbat from 5 V to 28 V, unless otherwise note. Typical values reect approximate mean
at 25C, nominal VCC, at time of device characterization.
Characteristics RANGE OF VALIDITY
Symbol
Min
Typ
Max
Unit
Vbat Tj
POWER SUPPLY
5
-40
28 150
C
V
Operating Range : - Static - Dynamic ( t < 500ms ) Stanby current - f = 0 to 10KHz ; IOUT = 0A Vbat-undervoltage switch-off (without load) - Switch-off Voltage - Switch-on Voltage - Hysteresis
CHARGE-PUMP SUPPLY
Vbat Vbat I Vbat
5
28 40 35
V V mA
4.15 4.5 150
4.4 4.75
4.65 5
V V mV
- Vbat = 4.15 V - Vbat < 40V
LOGIC INPUTS
Vcp - Vbat Vcp - Vbat
3.35 20
V V
Input High Input Low Input Hysteresis Input Current (IN1, IN2, DI1) - UIN= 0V Input Current (DI2,COD) - UDI2= 5V
VinH VinL U I IDI2
3.4 1.4 0.7 - 200 1 - 80 25 100
V V V mA mA
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MC33186
ELECTRICAL CHARACTERISTICS.Tj : from -40C to +150 C, Vbat from 5 V to 28 V, unless otherwise note. Typical values reect approximate mean
at 25C, nominal VCC, at time of device characterization.
Characteristics POWER OUTPUTS : OUT1, OUT2
Symbol
Min
Typ
Max
Unit
Switch on resistances : ROUT - Vbat ; ROUT - GND - Vbat =5 to 28V ; Ccp = 0 to 33nF Current Limitation Controlled Peak Value Switch-off Current Switch-off Time Blanking Time High Side Overcurrent Detection Low Side Overcurrent Detection (4) Leackage Current - Output Stage Switched off Free-Wheeling Diode Forward Voltage - IOU = 3A Free-Wheeling Diode Reverse Recovery Time - Switch-off Temperature - Hysteresis
OUTPUT STATUS FLAG (Open drain output)
300
mW
(IOUT) max ta tb IOCHS IOCLS
5.2 15 12 11 8
6.5 20.5 16.5
7.8 26 21
A ms ms A A
100 UD trr 100 160 20 190 30 2
mA V ns C C
Output High (SF not set) USF = 5V Output Low (SF set) ISF = 300 mA
TIMING
ISF VSF
10 1
mA V
PWM frequency - CCP = 33nF Maximum Switching Frequency During Current Limitation - Vbat = 6....28V.....CCP = 33nF Output ON Delay IN1 .....>OUT1 or IN2.....>OUT2 Output OFF Delay IN1 .....>OUT1 or IN2.....>OUT2 Output Switching Time - CCP = 0 to 33nF OUTiH .....OUTiL, OUTiL .....OUTiH, IOUT= 3A Disable Delay Time DIi .....OUTi Turn off in Case of Over-current or Over-temperature Power On Delay Time (Ccp = 33nF)
f
10
KHz
f tdon tdoff
20 15 15
KHz ms ms
tr , tf
2
5
ms
tddis 4 1
8
ms ms
5
ms
3
MC33186
MOTOROLA
MC33186
TRUH TABLE Device State DI1 (3) 1-Forward 2-Reverse 3-Free Wheeling Low 4-Free Wheeling High 5-Disable 1 6-Disable 2 7-IN1 Disconnected 8-IN2 Disconnected 9-DI1 Disconnected 10-DI2 Disconnected 11-Current Limit.active 12-Undervoltage (1) 13-Over-temperature (2) 14-Over-current (2)
L L L L H X L L Z X L X X X Input Conditions Status Outputs
DI2 (3)
H H H H X L H H X Z H X X X
IN1
H L L H X X Z X X X X X X X
IN2
L H L H X X X Z X X X X X X
SF (5)
H H H H L L H H L L H L L L
SF (6)
H H H H H H H H H H H L L L
OU1
H L L H Z Z H X Z Z Z Z Z Z
OU2
L H L H Z Z X H Z Z Z Z Z Z
NOTE : (1) In case of undervoltage, tristate and status-ag are reset automatically. (2) Whenever over-current or over-temperature is detected, the fault is stored (i.e.status-ag remains low). The tristate conditions and the status-ag are reset via DI1 (IN1) or DI2 (IN2). Pinnames in brackets refer to coding pin (COD=Vcc). (3) If COD = Vcc then DI1 and DI2 are not active. (4) In case of over-current, the time when the current is greater than 7,8A is lower than 30ms, with a maximum frequency of 1kHz. (5) COD=nc or GND (6) COD = VCC
L = Low H = High X = High or Low Z = High impedance (all output stage transistors are switched off ).
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MC33186
PINS FUNCTION DESCRIPTION
Pin
1, 9, 10,11,12 Metal slug 1 2
Name
GND Power Ground
Description
GND Output Statusag (SF) Inputs IN1,IN2 DI1,DI2, COD COD
Analog ground Open drain output, active low. Is set according to the truth table . Voltage controlled inputs with hysteresis
3,13 18, 19 8
When not connected or connected to GND, a stored failure will be reset by change of the voltage-level on DI1 or DI2. When connected to Vcc, the disable pin DI1 and DI2 are inactive. A stored failure will be reset by change of the voltage-level on IN1 or IN2 . H-Bridge outputs with integrated free-wheeling diodes. Supervision and protection functions a) Supply voltage supervision The supply voltage is supervised . If it is below its specic threshold , the power stages are switched in tristate and the status ag is switched low. If the supply voltage is over the specic theshold again , the power stage switches independently into normal operation, according to the input pins and the status ag is reset . b) Thermal supervision In case of over-temperature the power stages are switched in tristate independent of the inputs signals and the status ag is switched low. If the level changes from high to low on DI1 (IN1) or low to high on DI2 ( IN2 ), the output stage switches on again if the temperature is below the specied limit .The statusag is reset to high level (Pinnames in brackets refer to coding pin=Vcc). c) Supervision of overcurrent If overcurrent is detected the power stages are independent of the inputs signals switched in tristate and the status ag is set . If the level changes from high to low on DI1 ( IN1 ) or low to high on DI2 ( IN2 ) the output stage switches on again and the status ag is reset to high level (Pinnames in brackets refer to coding pin = Vcc). The output stage switches into the mode dened by the inputs pins provided the temperature is below the specied limits . d) Current limiting The maximum current which can ow under normal operating conditions is limited to Imax = 6,5A +/- 20% .When the maximum current value is reached, the output stages are switched tristate for a xed time. According to the time constant the current decreases until the next switch on occurs. See page 8 for schematics.
6, 7, 14, 15 4, 5, 16
OUT1 , OUT2 Vbat
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MC33186
Figure 1. Typical Application
10k Ccp=33nF VBat 47mF
Voltage Regulator
VCC
Power Ground SF IN1 CP Vbat
Microcontroller
IN2 OUT1 Di1 OUT2 Di2
M
COD
GND
Power Ground
Figure 2. Output delay time INn
50% 50%
tdon
tdoff 90% 10%
OUn
Figure 3. Disable Delay Time DIn
50%
tddis
OUn
10%
Z
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MC33186 Figure 4. Output Switching Time
90% 90%
OUn
10% tf
10% tr
Figure 5. Current Limitation Loadcurrent
> 8A typ 6,5A
Overcurrent
A
Control signal
Status Flag
Detail A
ta 6,5A
overcurrent detection tb
ta = switch-off time in current limitation tb = current limitation blanking time
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MC33186 Figure 6 - Standby Current versus Temperature
13,5 13 12,5 IVBAT (mA) 12 VBAT(V) 11,5 11 10,5 10 9,5 9 -50 -25 0 25 50 75 T, TEMPERATURE (C) 100 125 VBAT=12V
Figure 7. VBAT Undervoltage versus Temperature
5,00 4,90 4,80 4,70 4,60 4,50 4,40 4,30 4,20 -50 -25 0 25 50 75 T, TEMPERATURE (C) 100 125 Switch off Voltage Switch on Voltage
Figure 8 - Low Threshold Input Voltage versus
Temperature 1,89 1,88 1,87 1,86 1,85 1,84 1,83 1,82 1,81 -50 -25 0 25 50 75 T, TEMPERATURE (C) 100 125 VinH (V) VinL (V)
Figure 9 - High Threshold Input Voltage versus
Temperature 2,83 2,82 2,81 2,80 2,79 2,78 2,77 2,76 2,75 -50 -25 0 25 50 75 T, TEMPERATURE (C) 100 125
Figure 10 - Vcp versus Battery Voltage
45 40 35 30 Vcp (V) 25 20 15 10 5 0 0 5 10 15 20 25 BATTERY VOLTAGE (V) 30 35 Tambient=25C without Ccp RDSon (mW) 200 190 180 170 160 150 140 130 120
Figure 11. RDSON versus Temperature
VBAT=5V without Ccp
110 -50
-25
0
25
50
75
100
125
T, TEMPERATURE (C)
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MC33186 Figure 12. Switch off current versus Temperature
7,20 7,10 7,00 IOUT max (A) IOCHS (A) 6,90 6,80 6,70 6,60 6,50 6,40 6,30 -50 -25 0 25 50 75 100 125
Figure 13. Over Current Detection versus Temperature
17,50 17,00 16,50 16,00 15,50 15,00 14,50 14,00 13,50 13,00 -50 -25 0 25 50 75 100 125 High side switch
T, TEMPERATURE (C)
T, TEMPERATURE (C)
Figure 14. Current Limitation
I(out) max= 7A
Figure 15. Switch off Time
ta=20.5ms Imotor (1A/div)
Imotor (1A/div)
Out1 (5V/div)
Out2 (5V/div)
Figure 16. Output Switching Time: Tr
Figure 17. Output Switching Time: Tf
Out1 (5V/div)
Out1 (5V/div)
tr=3.7ms
tf=2.6ms
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MC33186 Figure 18. Output ON Delay Figure 19. Output OFF Delay
in1 (1V/div)
tdon=5.8ms Out1 (2V/div) Out1 (2V/div)
in1 (1V/div) tdoff=12.5ms
Figure 20. Disable Delay Time
Figure 21. High side Overcurrent Detection
di2 (1V/div)
I(5A/div) Out1 (2V/div) Iochs= 16A
tdiss=0.9ms
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MC33186
PACKAGE INFORMATION
The HSOP20 package is designed for enhanced thermal performance. The particularity of this package is its copper baseplate on which the power die is soldered. The baseplate is soldered on a PCB to provide heat ow to the ambient and also to provide a large thermal capacitance. Of course, the more copper area on the PCB, the better the power dissipation and transient behaviour. We characterized the HSOP20 on a double side PCB. The bottom side area of the copper is 7.8 cm2. The top surface is 2.7 cm2, see Figure 22.
Figure 23. PHSOP20 Thermal Response
100
10
Rth (C/W) 1
Figure 22. PCB Test Layout
0,1 0,001
0,01
0,1
1
10 t, Time (s)
100
1000
10000
Figure 23 shows the thermal response with the device soldered on to the test PCB described on gure 22.
Top Side
Bottom Side
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MC33186
CASE OUTLINES
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
MC33186
MOTOROLA
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