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TD1489 on a board, in 3D

TD1489

Techcode Semicon

-40℃~+150℃@(TJ) 125kHz 2 3V~28V 40V 6A Adjustable Buck Buck Built-in Yes QFN-32(5x5) DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCtechcode-semicon/TD1489
Category
DC DC Converters
Package
QFN-32(5x5)
Pins
35

Overview

The TD1489 is a DC DC Converter made by Techcode Semicon in a QFN-32(5x5) package with 35 pins. -40℃~+150℃@(TJ) 125kHz 2 3V~28V 40V 6A Adjustable Buck Buck Built-in Yes QFN-32(5x5) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TD1489, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL_TD1489, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C431045).

Symbol

PGND1PGND2PGND3SW4NC5IN6IN7IN8IN9IN10IN11BST12VIN13AGND14NC15NC16NC17ISP18ISN19NC20AGND21CS122CS223COMP24FB25AGND26VDD27AGND28SW29SW30SW31PGND32SW33IN34AGND35
EasyEDA_Cloud:TD1489From EasyEDA

Footprint

333435
EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL_TD1489From EasyEDA

Parameters

13
Features
Overcurrent Protection, Light load efficient mode, Adjustable current limiting, Hiccup current limiting, External compensation, Cable compensation
Frequency - Switching
125kHz
Function
Step-down type
Number of Outputs
2
Operating Temperature
-40℃~+150℃@(TJ)
Output Current
6A
Output Type
Adjustable
Output Voltage
3V~28V
Quiescent Current
1.7mA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
40V

Order codes

1

Pinout

35
The pins of the TD1489
PinNameType
1PGNDUnspecified
2PGNDUnspecified
3PGNDUnspecified
4SWUnspecified
5NCUnspecified
6INUnspecified
7INUnspecified
8INUnspecified
9INUnspecified
10INUnspecified
11INUnspecified
12BSTUnspecified
13VINUnspecified
14AGNDUnspecified
15NCUnspecified
16NCUnspecified
17NCUnspecified
18ISPUnspecified
19ISNUnspecified
20NCUnspecified
21AGNDUnspecified
22CS1Unspecified
23CS2Unspecified
24COMPUnspecified
25FBUnspecified
26AGNDUnspecified
27VDDUnspecified
28AGNDUnspecified
29SWUnspecified
30SWUnspecified
31SWUnspecified
32PGNDUnspecified
33SWUnspecified
34INUnspecified
35AGNDUnspecified

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A live frame, for any web page
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A picture
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A picture that opens the part, for a README
[![TD1489](https://pcbkit.io/embed/parts/techcode-semicon/TD1489.jpg?size=s)](https://pcbkit.io/parts/techcode-semicon/TD1489)

Questions

Is there a KiCad symbol and footprint for the TD1489?

Yes. The symbol is EasyEDA_Cloud:TD1489 and the footprint EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL_TD1489, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TD1489?

QFN-32(5x5), with 35 pins. Its footprint is drawn on this page.

Where is the TD1489 datasheet?

Techcode Semicon publishes it: the Datasheet link on this page opens it.

Where can I order the TD1489?

JLCPCB lists it as part C431045, with 0 in stock; the sellers' links on this page open their listings.