TC643VOA Microchip Technology, TC643VOA Datasheet - Page 2

• Manufacturer Part Number: TC643VOA
• Description: IC FAN/MOTOR DRIVER 8-SOIC
• Manufacturer: Microchip Technology

Specifications of TC643VOA

• Applications: DC Motor Driver, Brushless (BLDC)
• Number Of Outputs: 1
• Voltage - Load: 15V
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Current - Output: -
• Other names: 158-1030

TC643-1 9/29/97
ELECTRICAL CHARACTERISTICS:
Symbol
V
I
I
I
C
Power Driver
V
V
I
t
t
I
DRV Input
V
V
I
ILMT Output
V
t
RPM Output
V
V
t
t
ABSOLUTE MAXIMUM RATINGS*
Package Power Dissipation (T
Derating Factors .................................................. 8mW/ C
Supply Voltage ..............................................................6V
Input Voltage, Any Pin ........ (GDN – 0.3V) to (V
Operating Temperature (Note 3) ........... – 40 C to +125 C
Maximum Chip Temperature (Note 3) ................... +150 C
TC643
CC
DD(SHDN)
LIMIT
FAN
R
F
LEAK
L
PROP
R
F
CC
FAN
CE(SAT)
IH
IL
OL
OH
OL
EXT
Plastic DIP ......................................................730mW
Small Outline (SOIC) ...................................... 470mW
MSOP .............................................................320mW
Parameter
Supply Voltage
Supply Current, Operating
Supply Current,
Shutdown Mode
Preset Current Limit
Differentiator Capacitor
Breakdown Voltage at Fan
Saturation Voltage
(Voltage at FAN)
Average Sink Current
at FAN Output
FAN Rise Time
FAN Fall Time
Leakage Current
Input High Voltage
Input Low Voltage
Input Leakage
Output Low Voltage
Time Delay from I
Output High Voltage
Output Low Voltage
Rise Time
Fall Time
A
FAN
70 C)
> I
LIMIT
I
DRV < V
RPM Open
Note 1
DRV
Duty Cycle = 90%; V
I
I
I
DRV > V
Note 4
R
C
R
C
R
C
I
V
I
R
RPM Output Open Circuited
Test Conditions
L
FAN
FAN
FAN
OL
OH
Over Operating Temperature Range, V
GND
FAN
L
L
L
L
L
L
L
= 300mA
CC
= 120 to Fan Supply;
= 1pF to GND
= 120 to Fan Supply;
= 1pF to GND
= 120 to Fan Supply;
= 1pF to GND
= 47k to V
= 2.5mA
= 300mA DC
= 200mA DC
= 100mA DC
Connected to +12V
100 A
+ 0.3V)
FAN
V
IL
IL
IH
; ILMT,
= 0V, unless otherwise specified.
DD
2
Storage Temperature ............................ – 65 C to +150 C
Lead Temperature (Soldering, 10 sec) ................. +300 C
*Stresses above those listed under "Absolute Maximum Ratings" may
cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions above
those indicated in the operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for extended periods
may affect device reliability.
FAN
INTEGRATED FAN / MOTOR DRIVER
= 12.0V
V
DD
Min
600
2.7
2.0
—
—
—
—
15
—
—
—
—
—
—
—
—
—
—
—
—
– 0.3
CC
0.002
1200
Typ
= 3.0V to 5.5V 10%, GND =
500
800
400
16
80
80
10
50
—
—
—
—
—
—
—
—
—
—
50
.9
5
© 2001 Microchip Technology Inc.
1600
Max
300
5.5
0.8
0.3
0.3
24
—
—
—
—
—
—
—
—
—
—
—
—
—
2
1
5
Units
nsec
nsec
mA
mA
mA
mV
mA
mA
—
sec
sec
sec
V
V
V
V
V
V
V
F
A
DS21445A