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BQ4285LS

Texas InstrumentsExtended

2.7V~3.6V Backup power management and battery charging、Battery low voltage detection、InsideSRAM/NVRAM、Programmable clock output、Alarm function、Power-off retention of registers、Sleep/Wake control、Periodic interrupt output External Parallel SOIC-24-300mil Real Time Clocks

Part id
ti/BQ4285LS
Category
Real Time Clocks
Package
SOIC-24-300mil
Pins
5
In stock
0 at JLCPCB (C3304378)

Overview

The BQ4285LS is a real Time Clock made by Texas Instruments in a SOIC-24-300mil package with 24 pins. 2.7V~3.6V Backup power management and battery charging、Battery low voltage detection、InsideSRAM/NVRAM、Programmable clock output、Alarm function、Power-off retention of registers、Sleep/Wake control、Periodic interrupt output External Parallel SOIC-24-300mil Real Time Clocks.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:BQ4285LS, from EasyEDA) and its footprint (Package_SO:SOP-24_7.5x15.4mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3304378).

Symbol

VOUT1X12X23AD04AD15AD26AD37AD48AD59AD610AD711VSS12CS#13AS14R/W#15VSS16DS17RST#18INT#19BC20CEIN#21CEOUT#22SQW23VCC24
EasyEDA_Cloud:BQ4285LSFrom EasyEDA

Footprint

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Package_SO:SOP-24_7.5x15.4mm_P1.27mmFrom KiCad's library

Pinout

24
The pins of the BQ4285LS
PinNameType
1VOUTUnspecified
2X1Unspecified
3X2Unspecified
4AD0Unspecified
5AD1Unspecified
6AD2Unspecified
7AD3Unspecified
8AD4Unspecified
9AD5Unspecified
10AD6Unspecified
11AD7Unspecified
12VSSUnspecified
13CS#Unspecified
14ASUnspecified
15R/W#Unspecified
16VSSUnspecified
17DSUnspecified
18RST#Unspecified
19INT#Unspecified
20BCUnspecified
21CEIN#Unspecified
22CEOUT#Unspecified
23SQWUnspecified
24VCCUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the BQ4285LS?

Yes. The symbol is EasyEDA_Cloud:BQ4285LS and the footprint Package_SO:SOP-24_7.5x15.4mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the BQ4285LS?

SOIC-24-300mil, with 24 pins. Its footprint is drawn on this page.

Where is the BQ4285LS datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the BQ4285LS?

JLCPCB lists it as part C3304378, with 0 in stock; the sellers' links on this page open their listings.

What can replace the BQ4285LS?

Parts like it in the library: the DS17285S-3 by Maxim Integrated (Analog Devices), the DS17285S-3/TR by Maxim Integrated (Analog Devices), the DS17285S-5+TR by Maxim Integrated (Analog Devices) and the DS17885S-5+ by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.