General Description

1. Possible Component Breakdown

2203 Section

• Type: DC-DC synchronous buck converter (TI TPS562203 equivalent)

• Input Voltage: 4.2 V – 17 V DC

• Output Voltage: 0.6 V – 7 V DC

• Output Current: Up to 2 A

• Features: High efficiency at light loads, overcurrent protection, soft start

• Package: SOT-5X3 (6 pins)

6429 Section

• Type: Low-power voltage monitor / reset IC (Maxim MAX6429 equivalent)

• Supply Voltage: 2.5 V – 16 V DC

• Channels: Single or dual-level monitoring

• Quiescent Current: Microampere range

• Features: Hysteresis, watchdog function (optional), power-fail detection

• Package: SOT-23-6

2. Typical Application

• Industrial control boards

• Elevator and servo drive systems

• Precision power supply monitoring

• Factory automation equipment

• Embedded systems requiring stable voltage regulation and supervision

3. Electrical Characteristics (Combined)

• Operating Voltage: 4.2 V – 17 V DC (input to converter)

• Output Voltage: 0.6 V – 7 V DC (regulated)

• Monitoring Threshold: Adjustable (via external resistors)

• Operating Temperature: -40 °C to +85 °C

• Storage Temperature: -55 °C to +125 °C

• Humidity: 5% – 95% RH, non-condensing

4. Functional Features

• Step-down voltage regulation with high efficiency

• Overvoltage/undervoltage detection and reset generation

• Overcurrent and short-circuit protection

• Thermal shutdown for overtemperature conditions

• Power-good signal for system monitoring

5. Safety & Compliance

• Compliant with industrial EMC standards

• RoHS compliant (lead-free)

• Suitable for Class 2 circuits (low voltage, limited power)

6. Installation & Handling

• Mounting: Surface-mount (SMT) or through-hole (depending on assembly)

• Recommended Soldering Profile: Reflow (260 °C max)

• ESD Protection: Handle with anti-static gloves and mats

7. Ordering Information

• Part Number: 2203-6429

• Description: Custom Power Module (Buck Converter + Voltage Monitor)

• Manufacturer: OEM / Industrial Control Supplier

• Lead Time: Typically 4–6 weeks (custom build)