pbl37761 ETC-unknow, pbl37761 Datasheet
pbl37761
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pbl37761 Summary of contents
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Dual Controller IC for High Current Description The PBL 3776 switch-mode (chopper), constant-current controller IC intended for controlling external transistors in a high current stepper motor application.The IC has two channels one for each winding of a two-phase ...
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PBL 3776/1 Maximum Ratings Parameter Voltage Logic supply Output supply Logic inputs Analog inputs Current Output current t=1mS Logic inputs Analog inputs Temperature Junction temperature Storage temperature Recommended Operating Conditions Parameter Logic supply voltage Supply voltage Output emitter voltage Output ...
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Electrical Characteristics Electrical characteristics over recommended operating conditions, unless otherwise noted Parameter Symbol fig. General Supply current I CC Supply current I CC Total power dissipation P D Thermal shutdown junction temperature Turn-off delay t d Logic Inputs ...
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PBL 3776/1 Figure 4. Pin configuration. Pin Description DIP Symbol Description 1 PWR GND "Power Ground" from output channel 1. Connected to the ground path (see application examples T1BL Output, channel 1, B side lower transistor. The pin ...
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Functional Description Each channel of the PBL 3776/1 consists of the following sections: • An output section with four output transistors, two sourcing and two sinking, intended to drive the four transistors in an external H-bridge. Each transistor is capable ...
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PBL 3776/1 For accurate current regulation, the sensing resistor should be a 0.5 - 1.5 W precision resistor less than 1% tolerance and low temperature coefficient. Recirculating diodes Care must be taken to assure that the recirculating current ...
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Decouple the supply voltages close to the PBL 3776/1 circuit. Use a ceramic capacitor in parallel with an electrolytic type for both V and V . Route ...
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PBL 3776/1 Phase 1 Dis 1 Phase 2 Dis 140% 100 140% 100% I MA1 140% 100% –100% –140% I MA2 140% 100% –100% –140% Full step mode Figure 10. Stepping modes. for more information ...