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TC78H653FTG

TOSHIBA · Motor Driver ICs · VQFN-16-EP(3x3)

TC78H653FTG from TOSHIBA, in a VQFN-16-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	IN4/PHA_B	input	Control input for H-bridge B (IN4 in IN mode, PHA_B in PHASE mode), per the Input/Output Functions tables.
2	IN3/ENB_B	input	Control input for H-bridge B (IN3 in IN mode, ENB_B in PHASE mode), per the Input/Output Functions tables.
3	NC	unconnected	No connection; the datasheet says to leave this terminal open.
4	IN1/ENB_A	input	Control input for H-bridge A (IN1 in IN mode, ENB_A in PHASE mode), per the Input/Output Functions tables.
5	IN2/PHA_A	input	Control input for H-bridge A (IN2 in IN mode, PHA_A in PHASE mode), per the Input/Output Functions tables.
6	STBY	input	Control input that selects standby (outputs off when low) or operation, per the Input/Output Functions tables.
7	NC	unconnected	No connection; the datasheet says to leave this terminal open.
8	GND	power_in	Ground pin.
9	OUT2	output	Motor coil connection pin (H-bridge A output 2; paralleled with OUT1 as OUT+ in Large mode).
10	OUT1	output	Motor coil connection pin (H-bridge A output 1; paralleled with OUT2 as OUT+ in Large mode).
11	OUT3	output	Motor coil connection pin (H-bridge B output 3; paralleled with OUT4 as OUT- in Large mode).
12	OUT4	output	Motor coil connection pin (H-bridge B output 4; paralleled with OUT3 as OUT- in Large mode).
13	GND	power_in	Ground pin.
14	VM	power_in	Motor power supply pin with an operating range of 1.8 V to 7.5 V (absolute maximum 8.0 V).
15	LARGE	input	Control input selecting Large mode (high, OUT1/OUT2 and OUT3/OUT4 paralleled for one motor) or Small mode (low).
16	MODE	input	Control input selecting IN input mode (low) or PHASE input mode (high).
17	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	TOSHIBA
Package	VQFN-16-EP(3x3)
Category	Power Management ICs
Pins	17

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Power supply voltage	VM			8	V	Ta = 25°C	6
Input voltage	VIN	-0.3		6	V	Ta = 25°C	6
Output current (DC) Large mode	IOUT			4	A	In Large mode	6
Output current (DC) Small mode	IOUT			2	A	In Small mode	6
Output current peak Large mode	IOUT			5	A	In Large mode, Peak at 10 ms	6
Output current peak Small mode	IOUT			2.5	A	In Small mode, Peak at 10 ms	6
Body diode forward current Small mode	If			2	A	In Small mode	6
Body diode forward current Large mode	If			4	A	In Large mode	6
Power dissipation	PD			1.79	W	JEDEC 4 layers board, derate 14.3mW/°C above 25°C	6
Operating temperature range	Topr	-40		105	°C		6
Storage temperature	Tstg	-55		150	°C		6
Power supply voltage	VM	1.8	3	7.5	V	Ta = -40 to 105°C	6
Output current Large mode	IOUT			4	A	In Large mode, VM = 5.0 V	6
Output current Small mode	IOUT			2	A	In Small mode, VM = 5.0 V	6
PWM frequency	fPWM			500	kHz	Duty = 50%	6
Consumption current	ICC (W)		0.6	1	mA	Forward / Reverse mode, VM = 3.0 V, Output open	7
Standby consumption current	ICC (STB)		0	0.22	μA	Standby mode, VM = 3.0 V	7
Input high voltage	VIH1	1.5		5.5	V	VM = 1.8 V	7
Input high voltage	VIH2	1.7		5.5	V	VM = 3.0 V	7
Input high voltage	VIH3	2		5.5	V	VM = 5.0 V	7
Input low voltage	VIL	-0.3		0.5	V		7
Input high current	IIH	10	16	22	μA	VIN=3.0 V	7
Input low current	IIL			1	μA		7
ON-resistance (sum of upper and lower) Small mode	RON(D-S)		0.22	0.35	Ω	IOUT = 1.0 A, VM = 5.0 V, In Small mode	7
ON-resistance (sum of upper and lower) Large mode	RON(D-S)		0.11	0.175	Ω	IOUT = 1.0 A, VM = 5.0 V, In Large mode	7
Output leakage current high side	IOH			0.5	μA	VM = 3.0 V	7
Output leakage current low side	IOL			0.5	μA		7
Output DMOS body diode forward voltage	Vf		0.7	1	V	If = 0.4 A, VM = 5.0 V	7
Propagation delay low to high	tpLH		90		ns	VM = 3.0 V, Ta = 25°C	5
Propagation delay high to low	tpHL		90		ns	VM = 3.0 V, Ta = 25°C	5
Output rise time	tr		20		ns	VM = 3.0 V, Ta = 25°C	5
Output fall time	tf		10		ns	VM = 3.0 V, Ta = 25°C	5

CAD (KiCad official)

Symbol: TC78H653FTG
Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)
3D model files: tc78h653ftg-etched.step / tc78h653ftg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tc78h653ftg.step / tc78h653ftg.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: TOSHIBA datasheet (14 pp, sha256 41aa767b8704f09c, retrieved 2026-10-27, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF