SENSITRON
SEMICONDUCTOR
UC1625L
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
PINOUT
ABSOLUTE MAXIMUM RATINGS
1
2
3
4
5
6
7
8
E/A In (+)
Vref
15
16
17
18
19
20
21
22
23
24
25
26
27
28
E/A In (-)
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
E/A Out
PWM In
RC-Osc
Sstart
OV-Coast
Quad Sel
RC-Brake
Tach-Out
Vcc
PUA
PUB
PUC
Gnd
Isense
Isense 1
Isense 2
Dir
Speed-In
H1
9
H2
H3
10
11
12
13
14
PWR Vcc
PDC
PDB
PBA
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for: TA = 250C; 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
Over Operating Range
Over Operating Range
14.5
8.95
8.05
30.0
9.45
8.55
mA
V
V
VCC Turn-On Threshold*
VCC Turn-Off Threshold*
Overvoltage/Coast
8.65
7.75
OV-Coast Inhibit Threshold*
OV-Coast Restart Threshold*
OV-Coast Hysteresis
OV-Coast Input Current
Logic Inputs
Over Operating Range
1.65
1.55
0.05
–10
1.75
1.65
0.10
–1
1.85
1.75
0.15
0
V
V
V
µA
H1, H2, H3 Low Threshold
H1, H2, H3 High Threshold
H1, H2, H3 Input Current
Quad Sel, Dir Thresholds
Quad Sel Hysteresis
Dir Hysteresis
Quad Sel Input Current
Dir Input Current
Over Operating Range
Over Operating Range
Over Operating Range, to 0V
Over Operating Range
0.8
1.6
-400
0.8
1.0
1.9
-250
1.4
70
0.6
50
–1
1.2
2.0
–120
2.0
V
V
µA
V
mV
V
µA
µA
30
30
150
30
PWM Amp/Comparator
E/A In(+), E/A In(–) Input Current*
PWM In Input Current
Error Amp Input Offset*
Error Amp Voltage Gain
E/A Out Range
To 2.5V
To 2.5V
0V < VCOMMON-MODE < 3V
–5.0
0
–10
70
0.25
–16
–0.1
3
5.0
30
10
µA
µA
mV
dB
V
90
3.50
–5
SSTART Pull-up Current
To 0V
–10
µA
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