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SM5308 2.1A charge, 2.4A discharge, high integration mobile power supply SOC
SM5308 2.1A charge, 2.4A discharge, high integration mobile power supply SOC
Single-chip solution integrating linear charger & synchronous boost. 1A rate, 93% efficiency, 10μA standby.
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| Full Part Number | SM5308 |
| Brand / Manufacturer | HICHON |
| Datasheet | Download |
| Package Type | ESOP8 |
| MOQ / SPQ | Sample: 10 pcs | Production: 1 Reel (4,000 pcs) |
| Mounting Style | SMD/SMT |
| Input Voltage Range | 4.65V ~ 5.5V |
| Output Voltage Range | 5 V |
| Output Current Range | 0 ~ 2.4 A |
| Charge Current | Up to 2.1 A (Switching) |
| Charge Voltage | 4.20V / 4.25V |
| Standby Power Consumption | 25 μA |
| Quiescent Current | 25 μA (Standby) |
| Peak Current | 4 A |
| Efficiency | Boost 92% / Charge 91% |
| Switching Frequency | Charge: 1 MHz / Boost: 500 kHz |
| Topology | Synchronous Boost + Synchronous Switching Charge |
| RDS(on) | PMOS 35 mΩ / NMOS 30 mΩ |
| Supply Voltage | 4.65 V ~ 5.5 V |
| Operating Temperature | -40℃ ~ +85℃ |
| Semiconductor Material | Silicon |
| Battery Chemistry | Li-ion / Li-Polymer |
| Battery Cell Count | 1 |
| Protection Features | Output OCP/OVP/SCP, Input OVP/Over-Charge/Over-Discharge/OCP, OTP |
| Packaging | Tape & Reel |
Download SM5308 Datasheet
Features
- 2.4 A synchronous boost conversion, 2.1 A
- synchronous switch charging
- Boost efficiency up to 92%
- Charging efficiency up to 91%
- Built-in power path management, supporting
- charging while discharging
- Adaptive charging current regulation
- Adapt to adapters
- Support 4.20 V/4.25 V batteries
- Support 4/3/2/1 LED power display
- Support low battery alarm indication
- Button press to startup
- Built-in lighting drive
- Auto-detect phone insertion and removal
- Intelligent identification of load, automatic standby
- Standby power consumption 25 μA
- Built-in Power MOSFET, charging and discharging
- with one single inductor
- Output over current, over voltage and short
- circuit protection
- Input over voltage, over charge, over discharge,
- and over current discharge protection
- Over temperature protection for the whole
- machine（Only internal temperature of chip）
Applications
- Mobile power supply
- Power Bank
- Mobile phones, laptops and other portable devices
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.
