TB6593FNG is a DC motor driver IC produced by Toshiba. It uses LDMOS elements with low ON resistance as output drive tubes, with a maximum supply voltage of 15V and a maximum output current of 1.2A (average) / 3.2A (peak). It has static shutdown (Power save) function, forward / reverse / short circuit brake / stop control function, built-in thermal shutdown (TSD) circuit and low voltage detection circuit, and adopts small surface mount package (SSOP20: 0.65mm pitch). It meets the RoHS directive.
The TB6593FNG is a DC motor driver IC that uses low‑ON‑resistance LDMOS output transistors. It provides forward, reverse, short‑brake and stop control via two input signals (IN1, IN2) and includes standby, thermal‑shutdown and low‑voltage‑detect circuits. The device operates from a supply voltage of up to 15 V and can deliver up to 1.2 A average (3.2 A peak) output current.
The datasheet details the pin configuration, block diagram, absolute maximum ratings, electrical characteristics, H‑SW control timing, and example application circuits. Package information (SSOP20, 0.65 mm pitch) and handling precautions for static‑sensitive LDMOS devices are also provided. This manual is written in Japanese.
| Maximum supply voltage (VM) | 15 V |
|---|---|
| Output current (average/peak) | 1.2 A / 3.2 A |
| Typical output ON resistance | 0.35 Ω (VM ≥5 V) |
| Supply voltage range (VM) | 2.5 V to 13.5 V |
| Logic supply voltage (Vcc) | 2.7 V to 5.5 V |
| Switching frequency (fPWM) | up to 100 kHz |
| Maximum power dissipation (PD) | 0.71 W |
| Operating temperature range | -20 °C to 85 °C |
| Package type | SSOP20, 0.65 mm pitch |
The two input pins IN1 and IN2 determine the mode: H‑H‑H‑H for forward, H‑L‑H‑L for reverse, H‑H‑L‑H for short‑brake, and L‑L‑L‑L for stop.
The device can be powered up to a maximum of 15 V on the VM pin.
It delivers up to 1.2 A average and up to 3.2 A peak output current.