Overview
The L99DZ70XP is a microcontroller-driven multifunctional door actuator driver designed for automotive applications. It is capable of driving up to five DC motors and five grounded resistive loads, making it a versatile component for various automotive functions such as door lock, mirror fold, mirror axis control, and mirror defroster. The device integrates an SPI-driven module for controlling electrochromic mirror glass in conjunction with an external MOS transistor.
Key Specifications
| Parameter | Value |
|---|---|
| Package | PowerSSO 36 |
| Grade | Automotive |
| RoHS Compliance Grade | Ecopack2 |
| Operating Temperature (°C) | -40 to 150 |
| Full Bridge Load | 6 A (Ron = 150 mΩ) |
| Half Bridges Load | 3 A (Ron = 300 mΩ), 0.75 A (Ron = 1600 mΩ) |
| Highside Drivers Load | 6 A (Ron = 90 mΩ), 1.5 A (Ron = 500 mΩ), 0.4 A (Ron = 1800 mΩ), 0.5 A (Ron = 1600 mΩ) |
| Standby Current Consumption | I_S < 6 μA typ; T_j ≤ 85 °C; I_CC < 5 μA typ; T_j ≤ 85 °C |
Key Features
- One full bridge for 6 A load (Ron = 150 mΩ)
- Two half bridges for 3 A load (Ron = 300 mΩ) and two for 0.75 A load (Ron = 1600 mΩ)
- One highside driver for 6 A load (Ron = 90 mΩ) and configurable highside drivers for up to 1.5 A or 0.4 A loads
- Programmable softstart function for driving loads with higher inrush currents
- Current monitor output for all highside drivers
- Temperature warning and protection
- Openload detection and over-current protection for all outputs
- Separated half bridges for door lock motor
- PWM control of all outputs
- Charge pump output for reverse polarity protection
- STM standard serial peripheral interface (ST-SPI 3.0)
- Control block for electrochromic element with external MOS transistor
Applications
The L99DZ70XP is primarily used in automotive applications, including:
- Door lock control
- Mirror fold and mirror axis control
- Mirror defroster control
- Control of electrochromic mirror glass
- Driving bulbs and LEDs
Q & A
- What is the primary function of the L99DZ70XP?
The L99DZ70XP is a microcontroller-driven multifunctional door actuator driver for automotive applications. - How many DC motors can the L99DZ70XP drive?
The L99DZ70XP can drive up to five DC motors. - What types of loads can the highside drivers handle?
The highside drivers can handle loads up to 6 A, 1.5 A, 0.4 A, and 0.5 A with corresponding Ron values. - Does the L99DZ70XP support PWM control?
Yes, the L99DZ70XP supports PWM control of all outputs. - What is the operating temperature range of the L99DZ70XP?
The operating temperature range is -40 to 150 °C. - Does the L99DZ70XP have built-in protection features?
Yes, it includes temperature warning and protection, openload detection, and over-current protection for all outputs. - How does the L99DZ70XP control electrochromic mirror glass?
The L99DZ70XP controls electrochromic mirror glass using an integrated SPI-driven module in conjunction with an external MOS transistor. - What is the standby current consumption of the L99DZ70XP?
The standby current consumption is I_S < 6 μA typ; T_j ≤ 85 °C; I_CC < 5 μA typ; T_j ≤ 85 °C. - Is the L99DZ70XP RoHS compliant?
Yes, the L99DZ70XP is RoHS compliant with an Ecopack2 grade. - What package type is the L99DZ70XP available in?
The L99DZ70XP is available in the PowerSSO 36 package.
