T8082D
The T8082D (FAN8082D) is a bi‑directional DC motor driver with built‑in brake, over‑temperature protection, and surge absorption circuits. It is designed for low‑current DC motor applications such as CD players, VCRs, and toys.
Description
The T8082D (FAN8082D) is a bi‑directional DC motor driver with built‑in brake, over‑temperature protection, and surge absorption circuits. It is designed for low‑current DC motor applications such as CD players, VCRs, and toys.
2. Features
Bi‑directional drive with stable braking action.
Built‑in surge absorber for motor commutation/breaking spikes.
External voltage speed control (VCTL pin).
CMOS logic compatible inputs.
Thermal shutdown (TSD) at 165°C (typical).
Low standby current: 6.5 mA (typical).
3. Pin Configuration (SOP‑8)
| Pin | Name | I/O | Description |
|---|---|---|---|
| 1 | GND | – | Ground |
| 2 | VO1 | O | Motor Output 1 |
| 3 | VCTL | I | Speed Control Voltage Input |
| 4 | VIN1 | I | Logic Input 1 (Forward/Brake) |
| 5 | VIN2 | I | Logic Input 2 (Reverse/Brake) |
| 6 | SVCC | – | Signal Supply Voltage |
| 7 | PVCC | – | Power Supply Voltage |
| 8 | VO2 | O | Motor Output 2 |
4. Absolute Maximum Ratings (TA = 25°C)
| Parameter | Symbol | Rating | Unit |
|---|---|---|---|
| Supply Voltage (PVCC/SVCC) | VCC | 14 | V |
| Output Current (VO1/VO2) | IO | 800 | mA |
| Operating Temperature | TOP | –25 ~ +75 | °C |
| Storage Temperature | TSTG | –55 ~ +150 | °C |
5. Electrical Characteristics (TA = 25°C, PVCC = 12 V, SVCC = 5 V)
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Current (Standby) | ICC | – | 6.5 | 10 | mA |
| Output Saturation Voltage | VCE(SAT) | – | 1.2 | 1.8 | V |
| Thermal Shutdown Temperature | TSD | – | 165 | – | °C |
6. Function Table
| VIN1 | VIN2 | Operation |
|---|---|---|
| L | L | Brake |
| H | L | Forward |
| L | H | Reverse |
| H | H | Standby |
7. Typical Application Circuit
PVCC (7) → 12 V
SVCC (6) → 5 V
GND (1) → Ground
VO1 (2), VO2 (8) → Motor terminals
VCTL (3) → Speed control voltage (0–5 V)
VIN1 (4), VIN2 (5) → Logic control (H = High, L = Low)
8. Package Information
Package: SOP‑8 (Small Outline Package, 8‑pin)
Dimensions: 3.9 mm × 4.9 mm × 1.75 mm
9. Manufacturer
Original: Fairchild Semiconductor (FAN8082D)
Equivalent: T8082D (pin‑to‑pin compatible)
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