



Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/Battery Management | |
| Manufacturer | Legend-Si | |
| Package | ESOP-8 | |
| Charging Saturation Voltage | 12.6V | |
| Supply Current (Iq) | 30uA | |
| Operating Temperature | -40℃~+125℃ | |
| Type of Battery | Lithium Battery | |
| Charge Current - Max | 2A | |
| Number of Cells | 3 | |
| Battery Temperature Detection | Support | |
| Voltage - Supply | 3V~9.3V | |
| Features | Constant current charging、Constant voltage charging、Trickle charging、Automatic recharge、Charge termination、Programmable charging current、Under-voltage lockout、Overcurrent Protection、Short-Circuit Protection、Overvoltage protection | |
| 0V Battery Charge | Support |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
LGS5503 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/Battery Management | |
| Manufacturer | Legend-Si | |
| Package | ESOP-8 | |
| Charging Saturation Voltage | 12.6V | |
| Supply Current (Iq) | 30uA | |
| Operating Temperature | -40℃~+125℃ | |
| Type of Battery | Lithium Battery | |
| Charge Current - Max | 2A | |
| Number of Cells | 3 | |
| Battery Temperature Detection | Support | |
| Voltage - Supply | 3V~9.3V | |
| Features | Constant current charging、Constant voltage charging、Trickle charging、Automatic recharge、Charge termination、Programmable charging current、Under-voltage lockout、Overcurrent Protection、Short-Circuit Protection、Overvoltage protection | |
| 0V Battery Charge | Support |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the LGS5503. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

LGS5503 datasheets or manufacturer documentation.
Datasheet: LGS5503 Datasheet (PDF)
The LGS5503 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.