LTC3553

Battery_Management

Micropower USB Power Manager With Li-Ion Charger, LDO and Buck Regulator, 4.2V float, QFN-20

Symbol

21 pins
Schematic symbol for LTC3553
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

21 pads
Footprint for LTC3553
Library
Package_DFN_QFN
Mount
smd
Courtyard
4.26 × 4.26 mm
Link
exact
Footprint page
Open →

3D model

none
no 3D model

The footprint references no model, or the referenced model is not in the upstream package set.

Pins and pads

Every pin on the symbol has a pad on the footprint.

PinNameTypePad
1HPWRinput1
2SEQinput2
3PBSTAToutput3
4~{ON}input4
5LDO_ONinput5
6STBYinput6
7BUCK_ONinput7
8BUCK_FBinput8
9LDO_FBinput9
10LDOpower_out10
11VINLDOpower_in11
12BVINpower_in12
13SWpower_out13
14~{CHRG}open_collector14
15NTCpassive15
16PROGpassive16
17BATpower_out17
18VOUTpower_out18
19SUSPinput19
20VBUSpower_in20
21GNDpower_in21

On real boards

20+ designs use this part

20 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
exact
Cross-check
passed