Overview
The LV8548MCZ-AH is a 2-channel low saturation voltage forward/reverse motor driver IC produced by ON Semiconductor. It is designed to be optimal for motor drive in 12V system products and can drive either two DC motors, one DC motor using parallel connection, or a stepper motor in Full-step and Half-step modes. This IC is particularly useful in applications requiring efficient and reliable motor control with minimal power consumption.
Key Specifications
| Parameter | Symbol | Conditions | Ratings | Unit |
|---|---|---|---|---|
| Maximum power supply voltage | VCC max | - | 0 to 20 | V |
| Operating supply voltage range | VCC | - | 4.0 to 16.0 | V |
| Maximum output current | IO max | - | 1 A | A |
| Output ON resistance (Upper and lower total) | RON | IOUT=1.0A | 0.7 to 1.25 | Ω |
| Thermal shutdown operating temperature | Ttsd | - | 150 to 210 | °C |
| Width of temperature hysteresis | ΔTtsd | - | 40 | °C |
| Low voltage protection function operation voltage | VthVCC | - | 3.3 to 3.65 | V |
| Release voltage | Vthret | - | 3.55 to 3.95 | V |
| Standby mode current consumption | ICC0 | IN1=IN2=IN3=IN4=”LOW” | 1 μA | A |
| Input current | IIN | VIN=5V | 35 to 65 μA | A |
Key Features
- DMOS Output Transistor Adoption: The IC uses DMOS output transistors with a total RON of 1Ω (typical) for both upper and lower transistors.
- Compact Package: The IC is packaged in a compact SOIC10 format, which is Pb-Free and Halogen-Free.
- Pin Compatibility: It is pin compatible with the LB1948MC motor driver IC.
- Parallel Connection Capability: The IC allows for parallel connection of drive channels, enabling higher current drive capabilities.
- Low Power Consumption: The IC has a current consumption of 0 μA in standby mode and low input current.
- Thermal Shutdown Function: The IC includes a thermal shutdown circuit that turns off the output when the junction temperature exceeds 180°C and turns it back on when the temperature drops by the hysteresis value.
- Low Voltage Protection: The IC features a low voltage protection function to prevent operation below a certain voltage threshold.
Applications
- Refrigerators
- Flatbed Scanners and Document Scanners
- POS Printers and Label Printers
- PoE Point of Sales Terminals
- Clothes Dryers
- Vacuum Cleaners
- Time Recorders
Q & A
- What is the maximum power supply voltage for the LV8548MCZ-AH?
The maximum power supply voltage is 20V.
- What is the operating supply voltage range for this IC?
The operating supply voltage range is from 4.0V to 16.0V.
- What is the maximum output current of the LV8548MCZ-AH?
The maximum output current is 1A.
- What type of output transistors does the LV8548MCZ-AH use?
The IC uses DMOS output transistors.
- Is the LV8548MCZ-AH pin compatible with any other motor driver IC?
Yes, it is pin compatible with the LB1948MC motor driver IC.
- Can the LV8548MCZ-AH be used to drive a stepper motor?
Yes, it can drive a stepper motor in Full-step and Half-step modes.
- What is the thermal shutdown operating temperature of the LV8548MCZ-AH?
The thermal shutdown operating temperature is between 150°C to 210°C.
- Does the LV8548MCZ-AH have a low voltage protection function?
Yes, it has a low voltage protection function to prevent operation below a certain voltage threshold.
- What is the current consumption in standby mode?
The current consumption in standby mode is 1 μA.
- Can the drive channels of the LV8548MCZ-AH be connected in parallel?
Yes, the drive channels can be connected in parallel to enable higher current drive capabilities.
