2917, 29170, 29170-23 Selling Leads, Datasheet
MFG:JRC Package Cooled:ST D/C:06+
2917, 29170, 29170-23
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Info of 2917
Info of 29170
Info of 29170-23
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About 2917
PDF/DataSheet Download
Datasheet: 2917
File Size: 182941 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
About 2910
PDF/DataSheet Download
Datasheet: 2910
File Size: 409258 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About 2910
PDF/DataSheet Download
Datasheet: 2910
File Size: 409258 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
2917 General Description
The UDN2917EB motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. Both bridges are capable of sustaining 45 V and include internal pulse-width modula-tion (PWM) control of the output current to 1.5 A.
For PWM current control, the maximum output current is determined by the user's selection of a reference voltage and sensing resistor. Two logic-level inputs select output current limits of 0, 33%, 67%, or 100% of the maximum level. A PHASE input to each bridge determines load current direction. Active- low ENABLE inputs control the four drivers in each bridge.
The bridges include both ground clamp and flyback diodes for protection against inductive transients. Internally generated delays prevent cross-over currents when switching current direction. Special power-up sequencing is not required. Thermal protection circuitry disables the outputs if the chip tempera-ture exceeds safe operating limits.
The UDN2917EB is supplied in a 44-lead power PLCC for surface-mount applications. Its batwing construction provides for maximum package power dissipation in the smallest possible construction. The UDN2917EB is available for operation from -40°C to +85°C. To order, change the prefix from 'UDN' to 'UDQ'. This device is also available on special order for operation to +125°C.
For PWM current control, the maximum output current is determined by the user's selection of a reference voltage and sensing resistor. Two logic-level inputs select output current limits of 0, 33%, 67%, or 100% of the maximum level. A PHASE input to each bridge determines load current direction. Active- low ENABLE inputs control the four drivers in each bridge.
The bridges include both ground clamp and flyback diodes for protection against inductive transients. Internally generated delays prevent cross-over currents when switching current direction. Special power-up sequencing is not required. Thermal protection circuitry disables the outputs if the chip tempera-ture exceeds safe operating limits.
The UDN2917EB is supplied in a 44-lead power PLCC for surface-mount applications. Its batwing construction provides for maximum package power dissipation in the smallest possible construction. The UDN2917EB is available for operation from -40°C to +85°C. To order, change the prefix from 'UDN' to 'UDQ'. This device is also available on special order for operation to +125°C.
2917 Maximum Ratings
at TJ +150°C
Motor Supply Voltage, VBB ............................45 V
Output Current, IOUT (tw 20 µs) ........ ±1.75 A
(Continuous) ................................... ±1.5 A
Logic Supply Voltage, VCC ...........................7.0 V
Logic Input Voltage Range,
VIN ..................................... -0.3 V to +7.0 V
Output Emitter Voltage, VE ..........................1.0 V
Package Power Dissipation,
PD .............................................. See Graph
Operating Temperature Range,
TA ..................................... -20°C to +85°C
Storage Temperature Range,
TS ................................... -55°C to +150°C
Motor Supply Voltage, VBB ............................45 V
Output Current, IOUT (tw 20 µs) ........ ±1.75 A
(Continuous) ................................... ±1.5 A
Logic Supply Voltage, VCC ...........................7.0 V
Logic Input Voltage Range,
VIN ..................................... -0.3 V to +7.0 V
Output Emitter Voltage, VE ..........................1.0 V
Package Power Dissipation,
PD .............................................. See Graph
Operating Temperature Range,
TA ..................................... -20°C to +85°C
Storage Temperature Range,
TS ................................... -55°C to +150°C
2917 Features
1.5 A Continuous Output Current
45 V Output Sustaining Voltage
Internal Clamp Diodes
Digital Control of Output Current
Internal Thermal Shutdown Circuitry
Similar to Dual PBL3770
45 V Output Sustaining Voltage
Internal Clamp Diodes
Digital Control of Output Current
Internal Thermal Shutdown Circuitry
Similar to Dual PBL3770
2917 Connection Diagram
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