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•
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SENSITRON
SEMICONDUCTOR
DATASHEET 4062
PART NUMBER: UC1625L REV. A
BRUSHLESS DC MOTOR CONTROLLER
DESCRIPTION: INTEGRATED CIRCUIT ELECTRICALLY EQUIVALENT TO Unitrode UC1625L
PACKAGE: HERMETIC CERAMIC 28 PIN LEADLESS CHIP CARRIER
ABSOLUTE MAXIMUM RATINGS
VCC Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +20V
Pwr VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . +20V
PWM In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 6V
E/A IN(+), E/A IN(–) . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 12V
ISENSE1, ISENSE2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1.3 to 6V
OV–Coast, Dir, Speed-In, SSTART, Quad Sel . . . . . . –0.3 to 8V
H1, H2, H3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 12V
PU Output Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 50V
PU Output Current . . . . . . . . . . . . . . . . . . +200 mA continuous
PD Output Current . . . . . . . . . . . . . . . . . .
±200 mA continuous
E/A Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±10 mA
ISENSE Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . –10 mA
Tach Out Output Current . . . . . . . . . . . . . . . . . . . . . . . .
±10 mA
VREF Output Current . . . . . . . . . . . . . . . . . . –50 mA continuous
Operating Temperature Range . . . . . . . . . . . . . –55°C to 110°C
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for: TA = 25
0C; Pwr VCC = VCC = 12V;
ROSC = 20k to VREF; COSC = 2nF; RTACH = 33k; CTACH = 10nF; and all outputs unloaded. TA = TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Overall
Supply current*
Over Operating Range
14.5
30.0
mA
VCC Turn-On Threshold*
Over Operating Range
8.65
8.95
9.45
V
VCC Turn-Off Threshold*
Over Operating Range
7.75
8.05
8.55
V
Overvoltage/Coast
OV-Coast Inhibit Threshold*
Over Operating Range
1.65
1.75
1.85
V
OV-Coast Restart Threshold*
1.55
1.65
1.75
V
OV-Coast Hysteresis
0.05
0.10
0.15
V
OV-Coast Input Current
–10
–1
0
µA
Logic Inputs
H1, H2, H3 Low Threshold
Over Operating Range
0.8
1.0
1.2
V
H1, H2, H3 High Threshold
Over Operating Range
1.6
1.9
2.0
V
H1, H2, H3 Input Current
Over Operating Range, to 0V
-400
-250
–120
µA
Quad Sel, Dir Thresholds
Over Operating Range
0.8
1.4
2.0
V
Quad Sel Hysteresis
70
mV
Dir Hysteresis
0.6
V
Quad Sel Input Current
30
50
150
µA
Dir Input Current
30
–1
30
µA
PWM Amp/Comparator
E/A In(+), E/A In(–) Input Current*
To 2.5V
–5.0
–0.1
5.0
µA
PWM In Input Current
To 2.5V
0
3
30
µA
Error Amp Input Offset*
0V < VCOMMON-MODE < 3V
–10
10
mV
Error Amp Voltage Gain
70
90
dB
E/A Out Range
0.25
3.50
V
SSTART Pull-up Current
To 0V
–16
–10
–5
µA
UC1625L
PINOUT
1
E/A In (+)
15
E/A In (-)
2
Vref
16
E/A Out
3
Isense
17
PWM In
4
Isense 1
18
RC-Osc
5
Isense 2
19
Sstart
6
Dir
20
OV-Coast
7
Speed-In
21
Quad Sel
8
H1
22
RC-Brake
9
H2
23
Tach-Out
10
H3
24
Vcc
11
PWR Vcc
25
PUA
12
PDC
26
PUB
13
PDB
27
PUC
14
PBA
28
Gnd