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TP4337 1A Synchronous Power Bank Solution
TP4337 1A Synchronous Power Bank Solution
Single-chip solution integrating linear charger & synchronous boost. 1A rate, 93% efficiency, 10μA standby.
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| Full Part Number | TP4337 |
| Brand / Manufacturer | TPOWER |
| Datasheet | Download |
| Package Type | ESOP-10L |
| MOQ / SPQ | Sample: 10 pcs | Production: 1 Reel (4,000 pcs) |
| Mounting Style | SMD/SMT |
| Input Voltage Range | 4.5 V~6 V |
| Output Voltage Range | 5 V |
| Output Current Range | 0 ~ 1 A |
| Charge Current | 1 A (Fixed) |
| Charge Voltage | 4.2V（±1.2%） |
| Standby Power Consumption | 10 μA |
| Quiescent Current | 10 μA (Standby) |
| Peak Current | 1 A |
| Efficiency | Up to 93% at 1 A discharge |
| Load Regulation | Automatic load detectio |
| Supply Voltage | 4.5 V ~ 5.5 V |
| Operating Temperature | -20℃ ~ +85℃ |
| Semiconductor Material | Silicon |
| Battery Chemistry | Li-ion / Li-Polymer |
| Battery Cell Count | 1 |
| Protection Features | Input OVP (6.15V), Output OVP (5.25V), Output OCP, Output SCP, Over-Charge Protection, Over-Discharge Protection (2.8V), OTP (150℃), Intelligent Thermal Regulation (115℃ Derating) |
| Packaging | Tape & Reel |
| Battery Temperature Monitoring | Integrated battery NTC temperature protection |
TP4337 is a fully integrated multi-function power management SOC. It integrates a linear charge, synchronous boost converter and Li-ion battery charger management system and a battery state of charge indicator controller. It provides a complete power supply solution for mobile power banks.
FEATURE
- Linear charge, synchronous boost converter
- Integrated power-path management, charging batteries and charging cellphones at the same time
- Package : SOT23-5
- Up to 93% efficiency at discharge 1 A
- Maximum boost output current is 1 A
- Charging current: 1 A
- Standby current as low as 10 μA
- Light-load auto shutdown current is 50mA
- Automatic load detection for power on/off
- Single short press to power on
- Double short press to power off.
- Built-in light drive
- Integrated battery NTC temperature protection
- Intelligent thermal regulation and over-temperature protection (OTP).
- Package size: ESOP-10L
APPLICATIONS
- Power banks and handheld electronics
- Flashlights / Power station
- Electric hand warmer / E-cig / Portable Hand Fan
- Portable Media Player
- Suitable for other charge & discharge device
Download TP4337 Datasheet
What is the Minimum Order Quantity (MOQ)?
What is the Minimum Order Quantity (MOQ)?
Standard MOQ is 1 Reel. Sample orders are accepted in smaller quantities. Please contact us for custom arrangements.
Are your products guaranteed authentic?
Are your products guaranteed authentic?
All products are genuine, factory-sourced components. Certificate of Analysis (COA) and Datasheet are available upon request. Third-party inspection can be arranged if needed.
What is your sample policy?
What is your sample policy?
Standard samples require a sample fee, which is deductible upon bulk order placement. Free evaluation samples are available for qualified companies. Shipping costs are covered by the buyer or charged to the buyer's courier account.
What payment methods are accepted?
What payment methods are accepted?
We accept T/T (Wire Transfer) with 80% deposit and balance before shipment, PayPal or credit card for small orders, and net terms for established customers upon approval.
What is the lead time?
What is the lead time?
In-stock items ship within 3–7 business days. Custom or bulk orders take 4–12 weeks depending on capacity and materials. Exact lead time will be confirmed upon order placement.
