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UC1625 Scheda tecnica(PDF) 1 Page - Texas Instruments

Il numero della parte UC1625
Spiegazioni elettronici  Brushless DC Motor Controller
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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UC1625 Scheda tecnica(HTML) 1 Page - Texas Instruments

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21
27
25
22
6
28
1
15
24
3
26
10kW
3kW
10kW
2
19
20
16
11
20mF
100nF
20mF
100nF
+
R
OSC
33kW
2200pF
C
OSC
68kW
R
T
3nF
C
T
BRAKE
5nF
100nF
23
8
9
10
4
5
7
2nF
2nF
2nF
100nF
10kW
5nF
240W
240W
17
18
14
13
12
3kW
2N3906
100nF
1k
4kW
TO OTHER
CHANNELS
TO OTHER
CHANNELS
10W
2N3904
10W
IRF9350
IRF532
3kW
FROM
HALL
SENSORS
VMOTOR
+15V
+5V TO HALL
SENSORS
VREF
0.02
W
R
S
TO
MOTOR
0.02
W
R
D
REQUIRED
FOR
AVERAGE
CURRENT
SENSING
REQUIRED
FOR BRAKE
AND FAST
REVERSE
100mF
+
UC3625
DIR
QUAD
51kW
VREF
UC1625
UC2625
UC3625
www.ti.com
SLUS353C – NOVEMBER 2003 – REVISED JUNE 2013
Brushless DC Motor Controller
Check for Samples: UC1625, UC2625, UC3625
1
FEATURES
DESCRIPTION
The
UC3625
family
of
motorcontroller
devices
Drives Power MOSFETs or Power Darlingtons
integrate most of the functions required for high-
Directly
performance brushless dc-motor control into one
50-V Open Collector High-Side Drivers
package.
When
coupled
with
external
power
Latched Soft Start
MOSFETs or Darlingtons, these devices perform
fixed-frequency PWM motor control in either voltage
High-Speed Current-Sense Amplifier with Ideal
or current mode while implementing closed-loop
Diode
speed control and braking with smart noise rejection,
Pulse-by-Pulse and Average Current Sensing
safe
direction
reversal,
and
cross–conduction
Over-Voltage and Under-Voltage Protection
protection.
Direction Latch for Safe Direction Reversal
Although specified for operation from power supplies
between 10 V and 18 V, the UC1625 controls higher
Tachometer
voltage power devices with external level-shifting
Trimmed Reference Sources 30 mA
components. The UC1625 contains fast, high-current
Programmable Cross-Conduction Protection
push-pull drivers for low-side power devices and 50-V
Two-Quadrant and Four-Quadrant Operation
open-collector outputs for high-side power devices or
level-shifting circuitry.
The UC1625 is characterized for operation over the
military temperature range of –55°C to +125°C, while
the UC2625 is characterized from –40°C to +105°C
and the UC3625 is characterized from 0°C to +70°C.
(Note: ESD Protection to 2 kV)
TYPICAL APPLICATION
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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