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MP2307 USB-C Buck Converter

4 months ago 305
  • Description
  • Documents
  • BOM
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Description

A slightly different approach to USB-C power delivery by combining a PD maximum voltage trigger (IP2721, up to 20V) and a buck converter (MP2307). The output voltage can be selected via the voltage divider (R5 + R6). The maximum output current is 3A.

IMG_20200712_130214_x.jpg

Documents

USB_C_BuckConverter

USB_C_BuckConverter_v1.0

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 KF301-2P X1 KF301-2P 1 KF301-5.0-2P Cixi Kefa Elec LCSC C474881
2 MP2307DN-LF-Z U2 SOP-8_EP_150MIL 1 MP2307DN-LF-Z MPS LCSC C18921
3 120k R6 0603 1 0603WAF1203T5E UniOhm LCSC C25808
4 10k R5 0603 1 0603WAF1002T5E UniOhm LCSC C25804
5 6k8 R4 0603 1 0603WAF6801T5E UniOhm LCSC C23212
6 100k R7,R3 0603 2 0603WAF1003T5E UniOhm LCSC C25803
7 IP2721 U1 TSSOP16 1 IP2721 INJOINIC LCSC C603176
8 1u C1 0603 1 CL10A105KB8NNNC SAMSUNG LCSC C15849
9 PWR LED1 LED0603 1 19-217/BHC-ZL1M2RY/3T EVERLIGHT LCSC C72041
10 USB-TYPE-C-6PIN USB1 USB-C-SMD-6P 1 TYPE-C-31-M-17 Korean Hroparts Elec LCSC C283540
11 10uH L1 IND-SMD_L7.0-W6.6_FXL0630 1 YT0630-100M Wenshan LCSC C428419
12 10u C2 1206 1 CL31A106KBHNNNE SAMSUNG LCSC C13585
13 3n9 C5 0603 1 CL10B392KB8NNNC Samsung Electro-Mechanics LCSC C170145
14 100n C4 0603 1 CC0603KRX7R9BB104 YAGEO LCSC C14663
15 10n C7 0603 1 0603B103K500NT FH LCSC C57112
16 22u C8,C3 1206 2 C3216X5R1V226MTJ00E TDK LCSC C342620
17 10u C6 1206 1 CL31A106KBHNNNE SAMSUNG LCSC C13585
18 5k1 R2,R1 0603 2 0603WAF5101T5E UniOhm LCSC C23186
19 2k R8 0603 1 0603WAF2001T5E UniOhm LCSC C22975
20 SS34 D1 DIODE-SMA(DO-214AC) 1 SS34 Yenji LCSC C142458
21 AO3400A Q1 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 AO3400A AOS LCSC C20917

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