MOSFET driver

3 weeks ago 12
  • Description
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Description

Discrete low cost low side MOSFET driver 1.2-5V PWM, high gain, ~2mA for 2A Quiescent current ~3-4mA Up to 3A, example 1.2A with 2N2222/2N2907ALTG1 Propagation delay

Documents

Low side gate driver

PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part BOM_LCSC Assembly
1 MMBT3906 Q4 SOT-23(SOT-23-3) 1 LCSC HT MMBT3906 C179726 Yes
2 PAD100-RND U1,U2,U3,U4 PAD-100-RND 4
3 MMBT2907ALT1G Q5 SOT23-3 1
4 MMBT2222ALT1G Q3 SOT23-3 1
5 MMBT2222 Q2 SOT23-3 1
6 1N5711WS D2,D1 SOD-323_L1.8-W1.3-LS2.5-RD 2 LCSC DIODES 1N5711WS-7-F C151442 Yes
7 MMBT3904 Q1 SOT23-3 1
8 10K R10 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
9 1K R1,R2 0805 2 LCSC YAGEO AF0805FR-0710KL C192906
10 4.7K R3 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
11 3.3K R4 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
12 56R R5 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
13 47K R6 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
14 5R R7,R8 0805 2 LCSC YAGEO AF0805FR-0710KL C192906
15 47R R9 0805 1 LCSC YAGEO AF0805FR-0710KL C192906
16 220p C2,C1,C3 C805 3
17 1u C4 C1206 1
18 100n C5 C805 1

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