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What is MIC5022?

This electronic component, produced by the manufacturer "Micrel Semiconductor", performs the same function as "Half-Bridge MOSFET Driver".


MIC5022 Datasheet PDF - Micrel Semiconductor

Part Number MIC5022
Description Half-Bridge MOSFET Driver
Manufacturers Micrel Semiconductor 
Logo Micrel Semiconductor Logo 


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MIC5022
MIC5022
Half-Bridge MOSFET Driver
Micrel
General Description
The MIC5022 half-bridge MOSFET driver is designed to
operate at frequencies up to 100kHz (5kHz PWM for 2% to
100% duty cycle) and is an ideal choice for high speed
applications such as motor control and SMPS (switch mode
power supplies).
A rising or falling edge on the input results in a current source
pulse or sink pulse on the gate outputs. This output current
pulse can turn on a 2000pF MOSFET in approximately 1µs.
The MIC5022 then supplies a limited current (< 2mA), if
necessary, to maintain the output states.
Two overcurrent comparators with nominal trip voltages of
50mV make the MIC5022 ideal for use with current sensing
MOSFETs. External low value resistors may be used instead
of sensing MOSFETs for more precise overcurrent control.
Optional external capacitors placed on the CTH and CTL pins
may be used to individually control the current shutdown duty
cycles from approximately 20% to <1%. Duty cycles from
20% to about 75% are possible with individual pull-up resis-
tors from CTL and CTH to VDD. An open collector output
provides a fault indication when either sense input is tripped.
The MIC5022 is available in 16-pin wide SOIC and 14-pin
plastic DIP packages.
Other members of the MIC502x family include the MIC5020
low-side driver and the MIC5021 high-side driver.
Features
• 12V to 36V operation
• 600ns rise time into 1000pF (high side)
• TTL compatible input with internal pull-down resistor
• Outputs interlocked to prevent cross conduction
• TTL compatible enable
• Fault output indication
• Individual overcurrent limits
• Gate protection
• Internal charge pump (high-side)
• Current source drive scheme reduces EMI
Applications
• Motor control
• Switch-mode power supplies
Ordering Information
Part Number
MIC5022BWM
MIC5022BN
Temperature Range
Package
–40°C to +85°C 16-pin Wide SOIC
–40°C to +85°C 14-pin Plastic DIP
Typical Application
+12V to +36V
TTL Input
(PWM signal)
CTH
CTL
MIC5022
1 14
10µF2 VDD
VBOOST
13
Input Gate H
3 12
Fault Sense H–
4 11
CTH Sense H+
5 10
Enable Gate L
6
CTL
7
Gnd
9
Sense L–
8
Sense L+
2.7nF
RS1
M
RS2
DC Motor Control Application
MIC5022
178 September 1999

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MIC5022 equivalent
MIC5022
Typical Characteristics
Supply Current vs.
Supply Voltage
6.0
5.5 VIN = 0V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
VIN = 5V
1.5
1.0
5
10 15 20 25 30 35 40
VSUPPLY (V)
Gate Turn-On Delay vs.
Supply Voltage
2.5
2
1.5
VGATE H = VSUPPLY + 10V
1 CL = CH = 1500pF
CBOOST = 0.01µF
0.5 NOTE: INCLUDES PROPAGATION
DELAY & CROSS CONDUCTION
LOCKOUT
0
5 10 15 20 25 30 35 40
VSUPPLY (V)
Overcurrent Retry Duty
Cycle vs. Timing Capacitance
25
tON = 5µS
20 VSUPPLY = 12V
15 HIGH SIDE
10 NOTE:
tON, tOFF TIME
5 INDEPENDENT
OF VSUPPLY
0
0.1 1
10 100 1000 10000
CTH (pF)
MIC5022
Gate to Source Voltage
vs. Supply Voltage
25
20
15
10
5
0
5 10 15 20 25 30 35 40
VSUPPLY (V)
Gate Turn-On/Off Delay vs.
Gate Capacitance
5.0
4.5 VGATE H = VSUPPLY + 4V
4.0 CL = CH
3.5 VSUPPLY = 12V
3.0
2.5 HIGH-SIDE
2.0
1.5
PROP.
DELAY
1.0
NOTE: INCLUDES PROPAGATION
0.5 DELAY & CROSS CONDUCTION
LOCKOUT
0.0
1x100 1x101 1x102 1x103 1x104 1x105
CGATE (pF)
Overcurrent Retry Duty
Cycle vs. Timing Capacitance
25.0
20.0
tON = 5µS
VSUPPLY = 12V
15.0
LOW SIDE
10.0
5.0
0.0
0.1 1 10 100 1000 10000
CTL (pF)
Sense Threshold vs.
Temperature
80
70
60
50
40
30
20
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
182
Micrel
Gate Turn-On Delay vs.
Supply Voltage
2.5
2.0
1.5
VGATE = VSUPPLY + 4V
1.0
CL = CH = 1500pF
CBOOST = 0.01µF
0.5 NOTE: INCLUDES PROPAGATION
DELAY & CROSS CONDUCTION
LOCKOUT
0.0
5
10 15 20 25 30 35
VSUPPLY (V)
40
Gate Turn-On/Off Delay vs.
Gate Capacitance
3.5
VGATE L = 4V
3.0 CL = CH
VSUPPLY = 12V
2.5
LOW-SIDE
2.0 NOTE: INCLUDES
PROPAGATION
DELAY & CROSS
CONDUCTION
1.5 LOCKOUT
PROP.
DELAY
1.0
1x100 1x101 1x102 1x103 1x104 1x105
CGATE (pF)
Input Current vs.
Input Voltage
100
VSUPPLY = 12V
80
60
40
20
0
0 5 10 15 20 25
VIN (V)
September 1999


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MIC5022 electronic component.


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