# LT3652 Reference Design

## Description

This project is a reference design for a 2A Solar Panel Power Manager With 7\.2V LiFePO4 Battery
and 17V Peak Power Tracking based on LT3652 IC\. It includes components like resistors, capacitors, LEDs, and a JST connector for power input and battery connection\. The design caters to high input voltage applications and ensures efficient charging with minimal components\. \#project \#LT3652 \#ReferenceDesign \#charger \#BatteryManagement \#solar
\#LiFePO4 \#referenceDesign \#bms \#analog \#template \#reference\-design \#polygon 

## Project Details

- **Owner:** vasy\_skral
- **Created:** 11/4/2023
- **Last Updated:** 3/6/2026
- **Visibility:** Public
- **License:** https://creativecommons\.org/licenses/by/4\.0/
- **Copies:** 16

## Key Components

### \+ BAT \- — [JST B2B PH K 01x02 Connector](https://flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md)

- Manufacturer Part Number: B2B\-PH\-K\-S\(LF\)\(SN\)
- Manufacturer Name: JST Sales America
- Part Type: Connector
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1811151524\_JST\-Sales\-America\-B2B\-PH\-K\-S\-LF\-SN\_C131337\.pdf

**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]

### \+ SYS \- — [JST B2B PH K 01x02 Connector](https://flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md)

- Manufacturer Part Number: B2B\-PH\-K\-S\(LF\)\(SN\)
- Manufacturer Name: JST Sales America
- Part Type: Connector
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1811151524\_JST\-Sales\-America\-B2B\-PH\-K\-S\-LF\-SN\_C131337\.pdf

**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]

### \+ VIN \- — [JST B2B PH K 01x02 Connector](https://flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md)

- Manufacturer Part Number: B2B\-PH\-K\-S\(LF\)\(SN\)
- Manufacturer Name: JST Sales America
- Part Type: Connector
- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1811151524\_JST\-Sales\-America\-B2B\-PH\-K\-S\-LF\-SN\_C131337\.pdf

**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]

### D1 — [MBRA340T3G](https://flux.ai/vasy_skral/mbra340t3g~p1.md)

- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mbra340t3\-d\.pdf
- Part Type: Diode
- Manufacturer Name: onsemi
- Manufacturer Part Number: MBRA340T3G

**Pins:**
- A [pin 2]
- K [pin 1]

### D2 — [MBRA340T3G](https://flux.ai/vasy_skral/mbra340t3g~p1.md)

- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mbra340t3\-d\.pdf
- Part Type: Diode
- Manufacturer Name: onsemi
- Manufacturer Part Number: MBRA340T3G

**Pins:**
- A [pin 2]
- K [pin 1]

### D3 — [MBRA340T3G](https://flux.ai/vasy_skral/mbra340t3g~p1.md)

- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mbra340t3\-d\.pdf
- Part Type: Diode
- Manufacturer Name: onsemi
- Manufacturer Part Number: MBRA340T3G

**Pins:**
- A [pin 2]
- K [pin 1]

### D4 — [1N4007W](https://flux.ai/vasy_skral/1n4007w~xpy.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1811031612\_Shandong\-Jingdao\-Microelectronics\-1N4007W\_C108803\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: 1N4007W
- Part Type: Diode
- Manufacturer Name: Shandong Jingdao Microelectronics

**Pins:**
- A [pin 2]
- K [pin 1]

### IC1 — [LT3652EMSE\#PBF](https://flux.ai/vasyl/lt3652emsepbf~3qv.md)

- Manufacturer Part Number: LT3652EMSE\#PBF
- Part Type: Integrated Circuit
- Datasheet URL: https://www\.analog\.com/media/en/technical\-documentation/data\-sheets/3652fe\.pdf
- Manufacturer Name: Analog Devices

**Pins:**
- \~CHRG [pin 4]
- \~FAULT [pin 5]
- \~SHDN [pin 3]
- BAT [pin 9]
- BOOST [pin 11]
- GND [pin 13]
- NTC [pin 8]
- SENSE [pin 10]
- SW [pin 12]
- TIMER [pin 6]
- VFB [pin 7]
- VIN [pin 1]
- VIN\_REG [pin 2]

### LED1 — [LED\-0402\-Template](https://flux.ai/vasy_skral/led-0402-template~zvz.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: LED

**Pins:**
- A [pin 2]
- K [pin 1]

### LED2 — [LED\-0402\-Template](https://flux.ai/vasy_skral/led-0402-template~zvz.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: LED

**Pins:**
- A [pin 2]
- K [pin 1]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/vasy\_skral/lt3652\-reference\-design\~g05](https://flux.ai/vasy_skral/lt3652-reference-design~g05).*

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*Generated from [https://flux\.ai/vasy\_skral/lt3652\-reference\-design\~g05](https://flux.ai/vasy_skral/lt3652-reference-design~g05)*