L9945
STMicroelectronicsExtended
-40℃~+150℃ 4.5V~5.5V Low Side、Full-Bridge、High Side MOSFET Under Voltage Protection、Over Voltage Protection、Short Circuit Protection、Overtemperature protection (OTP) TQFP-64(10x10) Gate Drivers ROHS
- Part id
- st/L9945
- Category
- Power Management, Specialized
- Package
- TQFP-64(10x10)
- Pins
- 65
- In stock
- 0 at JLCPCB (C2156048)
Overview
The L9945 is a power Management, Specialized made by STMicroelectronics in a TQFP-64(10x10) package with 65 pins. -40℃~+150℃ 4.5V~5.5V Low Side、Full-Bridge、High Side MOSFET Under Voltage Protection、Over Voltage Protection、Short Circuit Protection、Overtemperature protection (OTP) TQFP-64(10x10) Gate Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L9945TR, from EasyEDA) and its footprint (EasyEDA_Cloud:TQFP-64_L10.0-W10.0-P0.50-LS12.0-BL-EP6.4, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2156048).
Symbol
Footprint
Pinout
65| Pin | Name | Type |
|---|---|---|
| 1 | NON1 | Unspecified |
| 2 | NON2 | Unspecified |
| 3 | NON3 | Unspecified |
| 4 | NON4 | Unspecified |
| 5 | NON5 | Unspecified |
| 6 | NON6 | Unspecified |
| 7 | NON7 | Unspecified |
| 8 | NON8 | Unspecified |
| 9 | VIO | Unspecified |
| 10 | SDO | Unspecified |
| 11 | GNDIO | Unspecified |
| 12 | NRES | Unspecified |
| 13 | NCS | Unspecified |
| 14 | SDI | Unspecified |
| 15 | SCK | Unspecified |
| 16 | DIS | Unspecified |
| 17 | DRN8 | Unspecified |
| 18 | GNSP8 | Unspecified |
| 19 | SNGP8 | Unspecified |
| 20 | BATT78 | Unspecified |
| 21 | SNGP7 | Unspecified |
| 22 | GNSP7 | Unspecified |
| 23 | DRN7 | Unspecified |
| 24 | PGND78 | Unspecified |
| 25 | PGND56 | Unspecified |
| 26 | DRN6 | Unspecified |
| 27 | GNSP6 | Unspecified |
| 28 | SNGP6 | Unspecified |
| 29 | BATT56 | Unspecified |
| 30 | SNGP5 | Unspecified |
| 31 | GNSP5 | Unspecified |
| 32 | DRN5 | Unspecified |
| 33 | RESERVED | Unspecified |
| 34 | RESERVED | Unspecified |
| 35 | VDD5 | Unspecified |
| 36 | GND | Unspecified |
| 37 | GNDCP | Unspecified |
| 38 | VGBHI | Unspecified |
| 39 | CH4 | Unspecified |
| 40 | CH2 | Unspecified |
| 41 | CH3 | Unspecified |
| 42 | VPS | Unspecified |
| 43 | CH1 | Unspecified |
| 44 | RESERVED | Unspecified |
| 45 | NDIS | Unspecified |
| 46 | RESERVED | Unspecified |
| 47 | EN6 | Unspecified |
| 48 | RESERVED | Unspecified |
| 49 | DRN4 | Unspecified |
| 50 | GNSP4 | Unspecified |
| 51 | SNGP4 | Unspecified |
| 52 | BATT34 | Unspecified |
| 53 | SNGP3 | Unspecified |
| 54 | GNSP3 | Unspecified |
| 55 | DRN3 | Unspecified |
| 56 | PGND34 | Unspecified |
| 57 | PGND12 | Unspecified |
| 58 | DRN2 | Unspecified |
| 59 | GNSP2 | Unspecified |
| 60 | SNGP2 | Unspecified |
| 61 | BATT12 | Unspecified |
| 62 | SNGP1 | Unspecified |
| 63 | GNSP1 | Unspecified |
| 64 | DRN1 | Unspecified |
| 65 | EP | Unspecified |
Questions
Is there a KiCad symbol and footprint for the L9945?
Yes. The symbol is EasyEDA_Cloud:L9945TR and the footprint EasyEDA_Cloud:TQFP-64_L10.0-W10.0-P0.50-LS12.0-BL-EP6.4, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L9945?
TQFP-64(10x10), with 65 pins. Its footprint is drawn on this page.
Where is the L9945 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the L9945?
JLCPCB lists it as part C2156048, with 0 in stock; the sellers' links on this page open their listings.