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Stock Name：JADARD
Stock Code ：688252
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SMA series
Product description
The JD555X series SMA actuator driver IC is designed specifically for smartphone SMA (Shape Memory Alloy) camera applications. This hybrid single-driver chip is tailored for controlling 8-line SMA actuators and can independently manage the operation of SMA OIS (Optical Image Stabilization) and AF (Auto-Focus) actuators.
The chip's processor core integrates gyro filtering and SMA servo loop processing units. The smartphone baseband processor communicates with the chip via industry-standard I2C and SPI buses. The driver IC supports a master/slave separation architecture, enabling real-time transmission of power/resistance data through 3-wire or 4-wire SPI buses.
Product specification advantages
● 16-bit AD Converter: Provides high-resolution analog-to-digital conversion.
● ARM M4 Embedded Processor: Features a powerful ARM Cortex-M4 processor for efficient computation.
● 128 KB Flash and 16 KB SRAM: Equipped with 128 kbytes of flash memory and 16 kbytes of SRAM for data storage and processing.
● Fast Download SRAM Mechanism: Allows for quick data downloading with a total time of less than 3 seconds.
● Dual 16/32-bit Timers: Includes dual timers with 16-bit or 32-bit resolution for precise timing control.
● Supports SPI and I2C Interfaces: Compatible with both SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) communication protocols.
● Input: 6-48 MHz, Output: 192 MHz PLL (Phase-Locked Loop): Features a phase-locked loop with an input range of 6 to 48 MHz and an output frequency of 192 MHz.
Closed-loop series
Product description
The JD552X series closed-loop product is a 14-bit DAC voice coil motor (VCM) driver control solution. It features I2C backward compatibility and achieves a maximum I2C clock rate of 3.4 MHz for serial interface communication, enabling the host to control the driver and access the 46-byte MTP memory. It supports a wide supply input voltage range from 1.7V to 3.6V and provides precise VCM control position feedback via a linear Hall effect sensor according to the motor's structural requirements. Additionally, it adopts the space-saving WLCSP-6 package, which effectively saves valuable component space in smartphones and other smart devices, offering a significant space advantage.
Product specification advantages
● Operating voltage range: 1.7V to 3.6V.
● Closed-loop auto focus.
● 46-byte MTP memory.
● 14-bit position controller.
● Integrated 1-channel H-bridge.
● Integrated Hall sensor and temperature sensor.
● 2-wire I2C interface (compatible with 1.2V and 1.8V interfaces).
● Multiple I2C communication addresses.
● Allowable magnetic field ranges: ±69/138/207/276/414/552 mT.
● Multiple operating modes: Standby mode / Sleep mode / Active mode.
● Under-Voltage Lockout (UVLO) and Power-On Reset (POR).
Open loop series
Product description
The JD551X serves as an optimized driver control solution tailored for VCM drive operations in digital camera modules, optical zoom-enabled smartphones, and lens auto-focus mechanisms. With a wide operational voltage range spanning from 2.3V to 4.8V. It features a maximum 11-bit DAC and a maximum output current of 150mA, and is equipped with an optimized power-on reset circuit that can achieve a precise output reference current of 0mA, making the JD551X series unparalleled in control accuracy. Furthermore, the JD551X series offers versatile IC addressing options that can be configured prior to shipment or directly by the IC itself to accommodate the requirements of contemporary multi-camera solutions utilizing a common bus. Embracing the growing trend towards integrated smart device components, the JD551X adopts industry-standard WLCSP miniaturized packaging to fulfill customer demands for compact smart device designs while optimizing motherboard compatibility.
Product specification advantages
● VCM Drive for Autofocus: Designed specifically for driving VCM (Voice Coil Motor) in autofocus applications.
● Output Current up to 150mA with 11-bit High Resolution: Provides high precision with up to 150mA output current and 11-bit resolution.
● Fast I2C Interface (1MHz): Features a high-speed I2C interface operating at 1MHz for rapid communication.
● Stable VCM Control: Ensures stable and reliable control of the VCM.
● Precise INL/DNL Design: Incorporates accurate Integral Non-Linearity (INL) and Differential Non-Linearity (DNL) design for high precision.
Scene application
flat
phone
AR
Smart watches
drone
Camera Voice Coil Motor Driver Chip
