UDQ2916LB

UDQ2916LB Datasheet

UDQ2916LBTR-T2 24-pin batwing SOICW

Part	Datasheet
UDQ2916LB	UDQ2916LB (pdf)

Related Parts	Information
UDN2916B-T	UDN2916B-T
UDN2916LB-T	UDN2916LB-T
UDQ2916LBTR-T	UDQ2916LBTR-T
UDN2916LBTR-T	UDN2916LBTR-T
UDN2916EBTR-T	UDN2916EBTR-T
UDQ2916EBTR	UDQ2916EBTR
UDN2916B	UDN2916B
UDN2916EB	UDN2916EB
UDN2916EB-T	UDN2916EB-T
UDN2916EBTR	UDN2916EBTR
UDN2916LB	UDN2916LB
UDQ2916EB	UDQ2916EB
UDQ2916LBTR	UDQ2916LBTR
UDN2916LBTR	UDN2916LBTR

PDF Datasheet Preview
2916 Dual Full-Bridge PWM Motor Driver Discontinued Product This device is no longer in production. The device should not be purchased for new design applications. Samples are no longer available. Date of status change January 30, 2012 Recommended Substitutions: For existing customer transition, and for new customers or new applications, refer to the A4970. NOTE For detailed information on purchasing options, contact your local Allegro field applications engineer or sales representative. 2916 Dual Full-Bridge PWM Motor Driver 750 mA continuous output current 45 V output sustaining voltage Internal clamp diodes Internal PWM current control Low output saturation voltage Internal thermal shutdown circuitry Similar to dual PBL3717 or UC3770 Packages Package B 24-pin Batwing DIP Package LB 24-pin Batwing SOICW Package EB 44-pin PLCC with internally-fused leads Not to scale The UDx2916 motor drivers 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 modulation PWM control of the output current to 750 mA. The outputs have been optimized for a low output saturation voltage drop less than V total source plus sink at 500 mA . For PWM current control, the maximum output current is determined by user 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. The bridges include both ground-clamp and flyback diodes for protection against inductive transients. Internally generated delays prevent crossover currents when switching current direction. Special power-up sequencing is not required. Thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits. The device is supplied in a 24-pin dual in-line plastic DIP, package B with two pairs of batwing leads as heat-sinkable tabs for enhanced power dissipation capabilities. The LB package is a 24-lead surface-mount wide SOIC with two pairs Continued on the next 29319.20R PWM Current-Control Circuitry 'B' PACKAGE, CHANNEL 1 PIN NUMBERS SHOWN. I 0 20 I1 17 VREF 15 OUT A OUT B 40 k7 20 k7 w10 10 k7 SENSE 22 + ONE SHOT 14 RC SOURCE DISABLE Dwg. EP-007B 2916 Dual Full-Bridge Motor Driver Description continued of batwing leads. The EB package is a 44-lead power PLCC with 11 internally-fused leads on two sides. Their webbed-lead construction provides for maximum package power dissipation in the smallest possible construction. The devices are available for operation from to 85°C range N , and from to 105°C range Q . All packages are lead Pb free, with 100% matte tin leadframe plating.

PDF Datasheet Preview

2916 Dual Full-Bridge PWM Motor Driver

Discontinued Product

This device is no longer in production. The device should not be purchased for new design applications. Samples are no longer available.

Date of status change January 30, 2012

Recommended Substitutions:

For existing customer transition, and for new customers or new applications, refer to the A4970.

NOTE For detailed information on purchasing options, contact your local Allegro field applications engineer or sales representative.
2916 Dual Full-Bridge PWM Motor Driver
750 mA continuous output current 45 V output sustaining voltage Internal clamp diodes Internal PWM current control Low output saturation voltage Internal thermal shutdown circuitry Similar to dual PBL3717 or UC3770

Packages

Package B 24-pin Batwing DIP

Package LB 24-pin Batwing SOICW

Package EB 44-pin PLCC with internally-fused leads

Not to scale

The UDx2916 motor drivers 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 modulation PWM control of the output current to 750 mA. The outputs have been optimized for a low output saturation voltage drop less than V total source plus sink at 500 mA .

For PWM current control, the maximum output current is determined by user 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.

The bridges include both ground-clamp and flyback diodes for protection against inductive transients. Internally generated delays prevent crossover currents when switching current direction. Special power-up sequencing is not required. Thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits.

The device is supplied in a 24-pin dual in-line plastic DIP, package B with two pairs of batwing leads as heat-sinkable tabs for enhanced power dissipation capabilities. The LB package is a 24-lead surface-mount wide SOIC with two pairs

Continued on the next
29319.20R

PWM Current-Control Circuitry
'B' PACKAGE,

CHANNEL 1 PIN NUMBERS

SHOWN.

I 0 20 I1 17

VREF 15

OUT A

OUT B
40 k7
20 k7
w10 10 k7

SENSE 22 +

ONE SHOT
14 RC

SOURCE DISABLE

Dwg. EP-007B
2916

Dual Full-Bridge Motor Driver

Description continued
of batwing leads. The EB package is a 44-lead power PLCC with 11 internally-fused leads on two sides. Their webbed-lead construction provides for maximum package power dissipation in the smallest possible construction.

The devices are available for operation from to 85°C range N , and from to 105°C range Q . All packages are lead Pb free, with 100% matte tin leadframe plating.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived UDQ2916LB Datasheet file may be downloaded here without warranties.

Datasheet ID: UDQ2916LB 515997