深圳市天吉芯技术开发有限公司
品牌:芯源MPS产品:电源DCDC功能:升压 降压 升降压功能2:电机驱动功能3:车规电子
Product Families
MV Buck: 18V/1-5A; 18V/6-30A; 24V/1-12A;
HV Buck: 28V-100V
E-Fuse / Load Switch
LDO
LNB
DC-DC PMIC Products
Supervisory
Half-Bridge Driver
DC-DC LED Driver
Signal Isolator
36V, 3A, Low Quiescent Current Synchronous Step Down Converter
Features
• Designed for Automotive Applications:
• Survives 42V Load Dump
• Supports 3.1V Cold Crank
• Continuous Output Current 0.5A-3A
• Continuous Operation Up to 30V
• Junction Temperature Operation from -40°C to +150°C
(Absolute Maximum)
• Increases Battery Life:
• 1μA Shutdown Supply Current
• 20μA Sleep Mode Quiescent Current
• Advanced Asynchronous Mode (AAM) Increases
Efficiency under Light Loads
• High Performance for Improved Thermals:
• Integrated 70mΩ High-Side and 50mΩ Low-Side
MOSFETs
• 65ns Minimum On Time and 50ns Minimum Off Time
• Optimized for EMC/EMI:
• Frequency Spread Spectrum Modulation
• Symmetric VIN Pinout
• CISPR25 Class 5 Compliant
• 350kHz to 2.5MHz Configurable Switching Frequency
• MeshConnect™ Flip-Chip Package
• Available in a QFN-12 (2mmx3mm)
• Package or a QFN-12 (3mmx4mm)
MPQ3367 6CH Backlighting LED Driver
• 3.5V to 36V Input Voltage Range
• 6 Channels with Max. 150mA per Channel
• Internal 100mΩ, 50V MOSFET
• Programmable Up to 2.2MHz Fsw
• Multi-Dimming Operation Mode thru PWM input
Including:
1. Direct PWM Dimming
2. Analog Dimming
3. Mix Dimming with 25%/12.5% transfer point
• 15000:1 Dim Ratio in PWM Dim at
Fpwm≤200Hz
• Excellent EMI Performance, Frequency Spread
Spectrum
• I2C Interface
• Phase Shift Function for PWM Dimming
• 2.5% Current Matching
• Optional LED Current Auto Decrement at
High Temperature
• LED Short/Open, OTP, OCP, Inductor
Short Protection
• Fault Indicator Signal Output
• QFN24-4mmX4mm and TSSOP28-EP Package
• AEC-Q100
MPQ7908/28 - 18V, 4 Rail Power Management IC with Safety Monitoring
Key FEATURES
• 3 Synchronous Buck Regulators
− 2x 600mA
− 1x 1A
• 1 LDO Rail (200mA)
• Integrated safety functions (for MPQ70240FS only)
Analog built in self-test
Memory/OTP CRC check
Reference monitor
• Rich Protections
OCP/SCP, Vo OVP&UVP, Thermal warning/shutdown
• Symmetric input cap for better EMI
• PMBus/I2C Compliant interface with PEC to program
Dynamic adjustment Vo
Adjustable on/off delay, soft start time
Flexible PG indicator configuration
Light load mode selection
Configurable frequency spread spectrum for better EMI KEY SPECS
Input Voltage 3.5V – 18V
Output Current 600mA, 600mA, 1A, 200mA
Switching Freq. 2.2MHz / 3.3MHz
Package QFN-15 (2.5mmx3.5mm),
Wettable flank
MPQ5850 42V Smart Diode Controller
• -40V Reverse input protection
• 3V to 42V Startup Voltage
• Low Quiescent Current
• 25uA operating, 3.5uA shutdown
• Very fast transient response
• Rectifies input AC up to 100kHz
• 20mV forward voltage drop
• Strong gate drive
• 100mA (min) pull up current
• 400mA (min) pull down current
• Reservoir capacitor keeps gate on at very
low input voltages
• SOT23-8 • 25µA steady state current
• 3µA shutdown current
• Meets automotive ISO7637 transient
requirements with a suitable TVS Diode
FEATURES
APPLICATIONS
• Automotive system protection
• Automotive ADAS systems-camera
• Automotive infotainment systems-digital
cluster, head unit
• Battery powered systems
MPQ7225
Cascadable 18V, 16-Channel Current Sink Matrix LED Driver
Features and Benefits
Built to Handle Tough Automotive Transients
• Cold crank down to 2.5V
Cooler Thermals and Excellent System Efficiency
• AFC (Adaptive Feedback Control) dynamically optimizes pre-regulator output
• 300mV current sink headroom at 200mA
Robust Communication for Reliable Control Across Distanced PCBs
• 2Mbps CAN compatible with differential interface
Optimized EMI/EMC
• Programmable phase shift and slew rate
• Frequency spread spectrum (internal clock)
• Selectable PWM dimming frequency
Easy Scalability
• Cascade up to 16 ICs to support up to 256 channels
• 3LED topology can support up to 768 LEDs
• Pin-programmable device address
Safety-Oriented
• Functional safety featured for ASIL systems
• Protection functions including thermal warning, LED open, LED short, pin
open/short (ISET)
• Failsafe (/FS) pin and fault registers for system diagnostics