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5962-8995701VA

更新时间：2025-07-03 02:40:35
品牌：TI
描述：Switched Mode Controller for DC Motor Drive

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5962-8995701VA 概述

Switched Mode Controller for DC Motor Drive 开关模式控制器的直流电机驱动 运动控制电子器件

5962-8995701VA 规格参数

生命周期：Active零件包装代码：DIP
包装说明：DIP-18针数：18
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.1Is Samacsys：N
其他特性：ALSO REQUIRES -2.5V TO -20V SUPPLY模拟集成电路 - 其他类型：BRUSH DC MOTOR CONTROLLER
JESD-30 代码：R-GDIP-T18长度：24.38 mm
功能数量：1端子数量：18
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电流：0.5 A封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP18,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：+-5,+-15 V
认证状态：Qualified筛选级别：MIL-STD-883
座面最大高度：5.08 mm子类别：Motion Control Electronics
最大供电电流 (Isup)：15 mA最大供电电压 (Vsup)：20 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：15 V
表面贴装：NO技术：BIPOLAR
温度等级：MILITARY端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

5962-8995701VA 数据手册

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UC1637  
UC2637  
UC3637  
Switched Mode Controller for DC Motor Drive  
FEATURES  
DESCRIPTION  
•
•
•
Single or Dual Supply  
Operation  
The UC1637 is a pulse width modulator circuit intended to be used for a variety of  
PWM motor drive and amplifier applications requiring either uni-directional or bi-  
directional drive circuits. When used to replace conventional drivers, this circuit  
can increase efficiency and reduce component costs for many applications. All  
necessary circuitry is included to generate an analog error signal and modulate  
two bi-directional pulse train outputs in proportion to the error signal magnitude  
and polarity.  
±
±
2.5V to 20V Input Supply  
Range  
±
5% Initial Oscillator  
±
Accuracy; 10% Over  
Temperature  
This monolithic device contains a sawtooth oscillator, error amplifier, and two  
•
Pulse-by-Pulse Current  
Limiting  
±
PWM comparators with 100mA output stages as standard features. Protection  
circuitry includes under-voltage lockout, pulse-by-pulse current limiting, and a  
shutdown port with a 2.5V temperature compensated threshold.  
•
•
Under-Voltage Lockout  
The UC1637 is characterized for operation over the full military temperature range  
of -55°C to +125°C, while the UC2637 and UC3637 are characterized for -25°C to  
+85°C and 0°C to +70°C, respectively.  
Shutdown Input with  
Temperature Compensated  
2.5V Threshold  
•
•
Uncommitted PWM  
Comparators for Design  
Flexibility  
ABSOLUTE MAXIMUM RATINGS (Note 1)  
±
±
Supply Voltage ( Vs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V  
Output Current, Source/Sink (Pins 4, 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA  
±
Analog Inputs (Pins 1, 2, 3, 8, 9, 10, 11 12, 13, 14, 15, 16) . . . . . . . . . . . . . . . . . . . . . . . Vs  
Error Amplifier Output Current (Pin 17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA  
Dual 100mA, Source/Sink  
Output Drivers  
±
Oscillator Charging Current (Pin 18). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2mA  
Power Dissipation at TA = 25°C (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000mW  
Power Dissipation at TC = 25°C (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000mW  
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C  
Lead Temperature (Soldering, 10 Seconds). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C  
Note 1: Currents are positive into, negative out of the specified terminal.  
Note 2: Consult Packaging Section of Databook for thermal limitations and considerations  
of package.  
BLOCK DIAGRAM  
6/97  
UC1637  
UC2637  
UC3637  
CONNECTION DIAGRAM  
PLCC-20, LCC-20  
(TOP VIEW)  
Q, L Packages  
DIL-18 (TOP VIEW)  
J or N Package  
PACKAGE PIN  
FUNCTION  
FUNCTION  
PIN  
1
2
+VTH  
CT  
-VTH  
AOUT  
-VS  
3
4
5
N/C  
6
+VS  
BOUT  
+BIN  
-BIN  
-AIN  
+AIN  
+C/L  
-C/L  
7
8
9
10  
11  
12  
13  
14  
SOIC-20 (TOP VIEW)  
DW Package  
SHUTDOWN 15  
N/C  
+E/A  
-E/A  
16  
17  
18  
E/A OUTPUT 19  
20  
ISET  
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = -55°C to +125°C for the  
UC1637; -25°C to +85°C for the UC2637; and 0°C to +70°C for the UC3637; +VS =  
+15V, -VS = - 15V, +VTH = 5V, -VTH = -5V, RT = 16.7kΩ, CT = 1500pF, TA=TJ.  
PARAMETER  
Oscillator  
TEST CONDITIONS  
UC1637/UC2637  
UC3637  
TYP  
UNITS  
MIN  
TYP  
MAX  
MIN  
MAX  
Initial Accuracy  
Voltage Stability  
TJ = 25°C (Note 6)  
9.4  
10  
5
10.6  
7
9
10  
5
11  
7
kHz  
%
±
±
VS = 5V to 20V, VPIN 1 = 3V,  
VPIN 3 = -3V  
Temperature Stability  
+VTH Input Bias Current  
-VTH Input Bias Current  
+VTH, -VTH Input Range  
Error Amplifier  
Over Operating Range (Note 3)  
VPIN 2 = 6V  
0.5  
0.1  
2
0.5  
0.1  
2
%
µA  
µA  
V
-10  
-10  
10  
-10  
-10  
10  
VPIN 2 = 0V  
-0.5  
-0.5  
+VS-2  
-VS+2 +VS-2  
-VS+2  
Input Offset Voltage  
Input Bias Current  
Input Offset Current  
Common Mode Range  
Open Loop Voltage Gain  
Slew Rate  
VCM = 0V  
VCM = 0V  
VCM = 0V  
1.5  
0.5  
0.1  
5
1.5  
0.5  
0.1  
10  
5
mV  
µA  
5
1
1
µA  
±
VS = 2.5 to 20V  
-VS+2  
75  
+VS -VS+2  
80  
+VS  
V
RL = 10k  
100  
15  
100  
15  
dB  
V/µS  
MHz  
dB  
Unity Gain Bandwidth  
CMRR  
2
2
Over Common Mode Range  
75  
75  
100  
110  
75  
75  
100  
110  
±
±
PSRR  
VS = 2.5 to 20V  
dB  
2
UC1637  
UC2637  
UC3637  
ELECTRICAL CHARACTERISTICS:  
Unless otherwise stated, these specifications apply for TA = -55°C to +125°C for the  
UC1637; -25°C to +85°C for the UC2637; and 0°C to +70°C for the UC3637: VS =  
+15V, -VS = - 15V, +VTH = 5V, -VTH = -5V, RT = 16.7kΩ, CT = 1500pF, TA=TJ.  
PARAMETERS  
TEST CONDITIONS  
UC1637/UC2637  
UC3637  
TYP  
UNITS  
MIN  
TYP  
MAX  
MIN  
MAX  
Error Amplifier (Continued)  
Output Sink Current  
Output Source Current  
High Level Output Voltage  
Low Level Output Voltage  
PWM Comparators  
Input Offset Voltage  
Input Bias Current  
Input Hysteresis  
VPIN 17 = 0V  
VPIN 17 = 0V  
-50  
11  
-20  
-13  
10  
-50  
11  
-20  
mA  
mA  
V
5
5
13  
13.6  
-14.8  
13  
13.6  
-14.8  
-13  
V
VCM = 0V  
VCM = 0V  
VCM = 0V  
20  
2
20  
2
mV  
µA  
mV  
V
10  
+VS-2  
220  
10  
10  
±
±
Common Mode range  
Current Limit  
VS = 5V to 20V  
-VS+1  
190  
+VS-2 -VS+1  
Input Offset Voltage  
Input Offset Voltage T.C.  
Input Bias Current  
Common Mode Range  
Shutdown  
VCM = 0V, TJ = 25°C  
200  
-0.2  
-1.5  
210  
180  
200  
-0.2  
-1.5  
mV  
mV/°C  
µA  
-10  
-VS  
-10  
-VS  
VS = ±2.5V to ±20V  
(Note 4)  
+VS-3  
-2.7  
+VS-3  
-2.7  
V
Shutdown Threshold  
Hysteresis  
-2.3  
-10  
-2.5  
40  
-2.3  
-10  
-2.5  
40  
V
mV  
µA  
Input Bias Current  
Under-Voltage Lockout  
Start Threshold  
VPIN 14 = +VS to -VS  
(Note 5)  
-0.5  
-0.5  
4.15  
0.25  
5.0  
15  
4.15  
0.25  
5.0  
15  
V
Hysteresis  
mV  
Total Standby Current  
Supply Current  
8.5  
8.5  
mA  
V
Output Section  
Output Low Level  
ISINK = 20mA  
-14.9  
-14.5  
13.5  
13.5  
100  
-13  
-13  
-14.9  
-14.5  
13.5  
13.5  
100  
-13  
-13  
ISINK = 100mA  
Output High Level  
ISOURCE = 20mA  
13  
12  
13  
12  
V
ISOURCE = 100mA  
(Note 3) CL = Inf, TJ = 25°C  
(Note 3) CL = Inf, TJ = 25°C  
Rise Time  
Fall Time  
600  
300  
600  
300  
ns  
ns  
100  
100  
Note 3: These parameters, although guaranteed over the recommended operating conditions, are not 100% tested in production.  
Note 4: Parameter measured with respect to +VS (Pin 6).  
Note 5: Parameter measured at +VS (Pin 6) with respect to -VS (Pin 5).  
Note 6: RT and CT referenced to Ground.  
FUNCTIONAL DESCRIPTION  
Following is a description of each of the functional blocks minal voltage is buffered internally and also applied to the  
shown in the Block Diagram.  
lSET terminal to develop the capacitor charging current  
through RT. If RT is referenced to -VS as shown in Figure  
1, both the threshold voltage and charging current will  
vary proportionally to the supply differential, and the oscil-  
lator frequency will remain constant. The triangle wave-  
form oscillators frequency and voltage amplitude is  
determined by the external components using the formulas  
given in Figure 1.  
Oscillator  
The oscillator consists of two comparators, a charging  
and discharging current source, a current source set ter-  
minal, lSET and a flip-flop. The upper and lower threshold  
of the oscillator waveform is set externally by applying a  
voltage at pins +VTH and -VTH respectively. The +VTH ter-  
3
UC1637  
UC2637  
UC3637  
Figure 1. Oscillator Setup  
PWM Comparators  
Two comparators are provided to perform pulse width  
modulation for each of the output drivers. Inputs are un-  
committed to allow maximum flexibility. The pulse width of  
the outputs A and B is a function of the sign and ampli-  
tude of the error signal. A negative signal at Pin 10 and 8  
will lengthen the high state of output A and shorten the  
high state of output B. Likewise, a positive error signal re-  
verses the procedure. Typically, the oscillator waveform is  
compared against the summation of the error signal and  
the level set on Pin 9 and 11.  
Figure 2. Comparator Biasing  
MODULATION SCHEMES  
Case A Zero Deadtime (Equal voltage on Pin 9 and Pin 11)  
In this configuration, maximum holding torque or stiffness  
and position accuracy is achieved. However, the power in-  
put into the motor is increased. Figure 3A shows this con-  
figuration.  
Output Drivers  
Each output driver is capable of both sourcing and sinking  
100mA steady state and up to 500mA on a pulsed basis  
for rapid switching of either POWERFET or bipolar tran-  
sistors. Output levels are typically -VS + 0.2V @50mA low  
level and +VS - 2.0V @50mA high level.  
Case B Small Deadtime (Voltage on Pin 9 > Pin 11)  
A small differential voltage between Pin 9 and 11 provides  
the necessary time delay to reduce the chances of mo-  
mentary short circuit in the output stage during transi-  
tions, especially where power-amplifiers are used. Refer to  
Figure 3B.  
Error Amplifier  
The error amplifier consists of a high slew rate (15V/µs)  
op-amp with a typical 1MHz bandwidth and low output im-  
pedance. Depending on the VS supply voltage, the com-  
mon mode input range and the voltage output swing is  
within 2V of the VS supply.  
±
Case C Increased Deadtime and Deadband Mode  
(Voltage on Pin 9 > Pin 11)  
Under-Voltage Lockout  
With the reduction of stiffness and position accuracy, the  
power input into the motor around the null point of the  
servo loop can be reduced or eliminated by widening the  
window of the comparator circuit to a degree of accep-  
tance. Where position accuracy and mechanical stiffness  
is unimportant, deadband operation can be used. This is  
shown in Figure 3C.  
An under-voltage lockout circuit holds the outputs in the  
low state until a minimum of 4V is reached. At this point,  
all internal circuitry is functional and the output drivers are  
enabled. If external circuitry requires a higher starting volt-  
age, an over-riding voltage can be programmed through  
the shutdown terminal as shown in Figure 4.  
4
UC1637  
UC2637  
UC3637  
Figure 3. Modulation Schemes Showing (A) Zero Deadtime (B) Deadtime and (C) Deadband Configurations  
Shutdown Comparator  
The shutdown terminal may be used for implementing  
various shutdown and protection schemes. By pulling the  
terminal more than 2.5V below VIN, the output drivers will  
be enabled. This can be realized using an open collector  
gate or NPN transistor biased to either ground or the  
negative supply. Since the threshold is temperature stabi-  
lized, the comparator can be used as an accurate low  
voltage lockout (Figure 4) and/or delayed start as in Fig-  
ure 5. In the shutdown mode the outputs are held in the  
low state.  
Figure 5. Delayed Start-Up  
-VS to within 3V of the +VS supply while providing excel-  
lent noise rejection. Figure 6 shows a typical current  
sense circuit.  
Figure 4. External Under-Voltage Lockout  
Current Limit  
A latched current limit amplifier with an internal 200mV  
offset is provided to allow pulse-by-pulse current limiting.  
Differential inputs will accept common mode signals from  
Figure 6. Current Limit Sensing  
5
UC1637  
UC2637  
UC3637  
Figure 7. Bi-Directional Motor Drive with Speed Control Power-Amplifier  
Figure 8. Single Supply Position Servo Motor Drive  
UNITRODE CORPORATION  
7 CONTINENTAL BLVD. • MERRIMACK, NH 03054  
TEL. (603) 424-2410 • FAX (603) 424-3460  
6
PACKAGE OPTION ADDENDUM  
www.ti.com  
17-Nov-2005  
PACKAGING INFORMATION  
Orderable Device  
Status (1)  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
LCCC  
CDIP  
CDIP  
CDIP  
LCCC  
LCCC  
SOIC  
Drawing  
5962-89957012A  
5962-8995701VA  
UC1637J  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
FK  
J
20  
18  
18  
18  
20  
20  
20  
1
1
1
1
1
1
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
POST-PLATE Level-NC-NC-NC  
A42 SNPB  
A42 SNPB  
A42 SNPB  
Level-NC-NC-NC  
Level-NC-NC-NC  
Level-NC-NC-NC  
J
UC1637J883B  
UC1637L  
J
FK  
FK  
DW  
POST-PLATE Level-NC-NC-NC  
POST-PLATE Level-NC-NC-NC  
UC1637L883B  
UC2637DW  
25 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
UC2637DWG4  
UC2637DWTR  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
DW  
DW  
20  
20  
25 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
UC2637J  
UC2637N  
ACTIVE  
ACTIVE  
CDIP  
PDIP  
J
18  
18  
1
TBD  
A42 SNPB  
Level-NC-NC-NC  
N
20 Green (RoHS & CU NIPDAU Level-NC-NC-NC  
no Sb/Br)  
UC2637NG4  
UC2637Q  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
PDIP  
PLCC  
PLCC  
SOIC  
SOIC  
SOIC  
N
18  
20  
20  
20  
20  
20  
20 Green (RoHS & CU NIPDAU Level-NC-NC-NC  
no Sb/Br)  
FN  
46 Green (RoHS &  
no Sb/Br)  
CU SN  
Level-2-260C-1 YEAR  
UC2637QTR  
UC3637DW  
FN  
1000 Green (RoHS &  
no Sb/Br)  
CU SN  
Level-2-260C-1 YEAR  
DW  
DW  
DW  
25 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
UC3637DWTR  
UC3637DWTRG4  
2000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
UC3637J  
UC3637N  
ACTIVE  
ACTIVE  
CDIP  
PDIP  
J
18  
18  
1
TBD  
A42 SNPB  
Level-NC-NC-NC  
N
20 Green (RoHS & CU NIPDAU Level-NC-NC-NC  
no Sb/Br)  
UC3637NG4  
UC3637Q  
ACTIVE  
ACTIVE  
PDIP  
N
18  
20  
20 Green (RoHS & CU NIPDAU Level-NC-NC-NC  
no Sb/Br)  
PLCC  
FN  
46 Green (RoHS &  
no Sb/Br)  
CU SN  
Level-2-260C-1 YEAR  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
17-Nov-2005  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
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Addendum-Page 2  
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