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TC78H621FNG Datasheet Dual-bridge Driver

Manufacturer: Toshiba

Overview: TC78H621FNG TOSHIBA CDMOS Integrated Circuit Silicon Monolithic TC78H621FNG DUAL-BRIDGE DRIVER IC The TC78H621FNG is a dual-bridge driver IC which incorporates DMOS in output transistors. The TC78H621FNG is capable of driving 2 DC brushed motors or 1 stepping motor. P-TSSOP16-0505-0.65-001 Weight: 0.06 g(Typ.

General Description

Remarks 1 NC Not connected 2 NC Not connected 3 PHA_A Control input pin for Ach (1) 4 EN_A Control input pin for Ach (2) 5 VCC Power supply pin for logic block 6 /STBY Standby input 7 PHA_B Control input pin for Bch (1) 8 EN_B Control input pin for Bch (2) 9 VM Power supply pin for output 10 BO2 Output pin of B phase (2) 11 GND Ground pin 12 BO1 Output pin of B phase (1) 13 AO2 Output pin of A phase (2) 14 GND Ground pin 15 AO1 Output pin of A phase (1) 16 GND Ground pin Please do not connect any pattern Please do not connect any pattern See the table "Input/Output functions".

See the table "Input/Output functions".

VCC=2.7 to 5.5 V See the table "Input/Output functions".

Key Features

  • Power supply voltage for motor : VM=18 V(Max).
  • Power supply voltage for control : VCC=6 V(Max).
  • Output current : IOUT=1.1 A(Max).
  • Output ON resistance : Ron(upper and lower sum)=0.8 Ω(Typ. ).
  • Internal pull-down resistors on inputs : 200 kΩ(Typ. ).
  • Built-in over current detection(ISD), thermal shutdwon(TSD) circuit, and under voltage lockout(UVLO) circuit.
  • Small package : P-TSSOP16-0505-0.65-001.
  • Built-in cross.

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