Startseite Motortreiber Treiber für Gleichstrom-Bürstenmotoren
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Treiber für Gleichstrom-Bürstenmotoren

UC1637-SP

AKTIV

Switched-Mode-Controller für Gleichstrommotorantrieb

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UC1637-SP

AKTIV
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Produktdetails

Number of full bridges 1 Vs (min) (V) 2.5 Vs ABS (max) (V) 20 Control mode PWM Control interface Hardware (GPIO) Rating Space Operating temperature range (°C) -55 to 125
Number of full bridges 1 Vs (min) (V) 2.5 Vs ABS (max) (V) 20 Control mode PWM Control interface Hardware (GPIO) Rating Space Operating temperature range (°C) -55 to 125
CFP (W) 20 90.5828 mm² 13.09 x 6.92
  • QML-V Qualified, SMD 5962-89957
  • Rad Tolerant: 30 kRad(Si) TID(1)
    • TID Dose Rate = 10 mRad/sec
  • Single or Dual Supply Operation
  • ±2.5-V to ±20-V Input Supply Range
  • ±5% Initial Oscillator Accuracy; ±10% Over Temperature
  • Pulse-by-Pulse Current Limiting
  • Under-Voltage Lockout
  • Shutdown Input with Temperature Compensated 2.5-V Threshold
  • Uncommitted PWM Comparators for Design Flexibility
  • Dual 100-mA Source/Sink Output Drivers

(1) Radiation tolerance is a typical value based upon initial device qualification. Radiation Lot Acceptance Testing is available - contact factory for details.
  • QML-V Qualified, SMD 5962-89957
  • Rad Tolerant: 30 kRad(Si) TID(1)
    • TID Dose Rate = 10 mRad/sec
  • Single or Dual Supply Operation
  • ±2.5-V to ±20-V Input Supply Range
  • ±5% Initial Oscillator Accuracy; ±10% Over Temperature
  • Pulse-by-Pulse Current Limiting
  • Under-Voltage Lockout
  • Shutdown Input with Temperature Compensated 2.5-V Threshold
  • Uncommitted PWM Comparators for Design Flexibility
  • Dual 100-mA Source/Sink Output Drivers

(1) Radiation tolerance is a typical value based upon initial device qualification. Radiation Lot Acceptance Testing is available - contact factory for details.

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.

This monolithic device contains a sawtooth oscillator, error amplifier, and two PWM comparators with ±100-mA output stages as standard features. Protection circuitry includes under-voltage lockout, pulse-by-pulse current limiting, and a shutdown port with a 2.5-V temperature compensated threshold.

The UC1637 is characterized for operation over the full space temperature range of –55°C to 125°C.

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.

This monolithic device contains a sawtooth oscillator, error amplifier, and two PWM comparators with ±100-mA output stages as standard features. Protection circuitry includes under-voltage lockout, pulse-by-pulse current limiting, and a shutdown port with a 2.5-V temperature compensated threshold.

The UC1637 is characterized for operation over the full space temperature range of –55°C to 125°C.
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Typ Titel Datum
* Radiation & reliability report UC1637-SP ELDRS Report 31 Mär 2015
* Data sheet Switched Mode Controller for DC Motor Drive. datasheet 04 Feb 2010

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