Home Products DC-DC Controller

SY2A29302FAP (SA22300FAP)

Production
36V, Boost/Flyback/Sepic Controller
Datasheet
SY2A29302FAP  36V, Boost/Flyback/Sepic Controller Datasheet
Part number SY2A29302FAP
Channel(#)
Vin (min) (V) 3.45
Vin (max) (V) 36
Topology Boost/Flyback/Sepic
Switching frequency (min)(kHz)
Switching frequency (max)(kHz)
Vout (min) (V)
Vout2 (min)(V)
Vout (max) (V)
Vout2 (max )(V)
Vref accuracy (±%) ±2%
Vout accuracy(±%)
Control mode Peak current control
Duty cycle (max)(%)
Operation mode PFM
Iq (typ) (uA) 1500
Features Cycle by cycle overcurrent protection，OCP , FB short protection, Current mode, DC/DC Controller for Boost/Flyback/Sepic
Package SOP8
Operating temperature range(°C) -40 to 125
Functional safety category
  • Wide Input Voltage Range: 3.45V to 36V 
  • 1.2V ±2% Reference Voltage
  • Fixed Frequency Operation
  • Internal Soft-Start
  • Typical 1.6μA Shutdown Current
  • Cycle-by-Cycle Current Limit Protection
  • Hiccup-Mode Overcurrent Protection (OCP)
  • Hiccup-Mode Short-Circuit Protection (SCP)
  • 1.5A Peak Gate Source Current
  • 1.5A Peak Gate Sink Current
  • Thermal Shutdown
  • Package: SOP8
  • Automotive AEC- Q100 Grade 1 Certified

The SY2A29302 is a non-synchronous Boost/Flyback/ Sepic controller with built-in protection features. The device is suitable for harsh automotive environment. It features several built-in protection such as cycle-by-cycle current limit, overcurrent protection, FB short protection, etc.

The SY2A29302 integrates a gate driver to drive external N-channel MOSFET and also adopts peak current control strategy with built-in slope compensation to improve the stability.

The SY2A29302 is available in an SOP8 package.

 

New Products

SA24506XNQ
SA24506XNQ
High Efficiency, 36V Input, 6A Synchronous Step-Down Regulator
SA24504XNQ
SA24504XNQ
High Efficiency, 36V Input, 4A Synchronous Step-Down Regulator

Similar Products

SA24481TLQ
SA24481TLQ
High Efficiency, 36V Input, 1A Synchronous Step Down Regulator
SA24483ETLQ
SA24483ETLQ
High Efficiency, 36V Input, 3A Synchronous Step Down Regulator
SA24491TLQ
SA24491TLQ
High Efficiency, 36V Input, 1A Synchronous Step Down Regulator

Technical & Design Documentation

Title Date
DS_SY2A29302 Datasheet 2025-12-12
EVB_ SY2A29302FAP EVB User Guide 2023-11-06
Automotive_Solutions_Q2_2026 2026-06-12
SOP8 2021-11-11