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HT1635D

Holtek SemiconExtended

-40℃~+85℃ 1 2.4V~5.5V 256kHz~282kHz Built-in PWM LQFP-64(7x7) LED Drivers ROHS

DatasheetJLCPCBLCSC
Part id
holtek-semicon/HT1635D
Category
LED Drivers
Package
LQFP-64(7x7)
Pins
64
In stock
0 at JLCPCB (C3040705)
Used on
2 open-source boards

Overview

The HT1635D is a LED Driver made by Holtek Semicon in a LQFP-64(7x7) package with 64 pins. -40℃~+85℃ 1 2.4V~5.5V 256kHz~282kHz Built-in PWM LQFP-64(7x7) LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:HT1635B, from EasyEDA) and its footprint (Package_QFP:LQFP-64_7x7mm_P0.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3040705). 2 open-source boards in 1 repository on GitHub use it.

Symbol

1ROW122ROW113ROW104ROW95ROW86VDD7ROW78ROW69ROW510ROW411ROW312ROW213ROW114ROW015VSS16OSC17SDA18SCL19A120A021SYNC22VDD23COM024VSS25COM126COM227COM328COM429COM530COM631COM732VSS33ROW4334ROW4235ROW4136ROW4037ROW3938ROW3839ROW3740ROW3641VDD42ROW3543ROW3444ROW3345ROW3246ROW3147ROW3048ROW2949ROW2850ROW2751ROW2652ROW2553ROW2454ROW2355ROW2256ROW2157ROW2058ROW1959ROW1860ROW1761ROW1662ROW1563ROW1464ROW13
EasyEDA_Cloud:HT1635BFrom EasyEDA

Footprint

Package_QFP:LQFP-64_7x7mm_P0.4mmFrom KiCad's library

Pinout

64
The pins of the HT1635D
PinNameType
1ROW12Unspecified
2ROW11Unspecified
3ROW10Unspecified
4ROW9Unspecified
5ROW8Unspecified
6VDDUnspecified
7ROW7Unspecified
8ROW6Unspecified
9ROW5Unspecified
10ROW4Unspecified
11ROW3Unspecified
12ROW2Unspecified
13ROW1Unspecified
14ROW0Unspecified
15VSSUnspecified
16OSCUnspecified
17SDAUnspecified
18SCLUnspecified
19A1Unspecified
20A0Unspecified
21SYNCUnspecified
22VDDUnspecified
23COM0Unspecified
24VSSUnspecified
25COM1Unspecified
26COM2Unspecified
27COM3Unspecified
28COM4Unspecified
29COM5Unspecified
30COM6Unspecified
31COM7Unspecified
32VSSUnspecified
33ROW43Unspecified
34ROW42Unspecified
35ROW41Unspecified
36ROW40Unspecified
37ROW39Unspecified
38ROW38Unspecified
39ROW37Unspecified
40ROW36Unspecified
41VDDUnspecified
42ROW35Unspecified
43ROW34Unspecified
44ROW33Unspecified
45ROW32Unspecified
46ROW31Unspecified
47ROW30Unspecified
48ROW29Unspecified
49ROW28Unspecified
50ROW27Unspecified
51ROW26Unspecified
52ROW25Unspecified
53ROW24Unspecified
54ROW23Unspecified
55ROW22Unspecified
56ROW21Unspecified
57ROW20Unspecified
58ROW19Unspecified
59ROW18Unspecified
60ROW17Unspecified
61ROW16Unspecified
62ROW15Unspecified
63ROW14Unspecified
64ROW13Unspecified

Open-source boards using it

2
  • 4 layers371.6 × 209 mmAdatv2, the printed circuit board in 3D

    Adatv2

    swiszczoo/adat_usb_interface

    16-in, 16-out 4x ADAT <=> USB interface supporting USB Audio Class 2.0

    253 parts2
  • 2 layers200 × 38.5 mmDisplay board, the printed circuit board in 3D

    Display board

    swiszczoo/adat_usb_interface

    16-in, 16-out 4x ADAT <=> USB interface supporting USB Audio Class 2.0

    56 parts2

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the HT1635D?

Yes. The symbol is EasyEDA_Cloud:HT1635B and the footprint Package_QFP:LQFP-64_7x7mm_P0.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the HT1635D?

LQFP-64(7x7), with 64 pins. Its footprint is drawn on this page.

Where is the HT1635D datasheet?

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

Where can I order the HT1635D?

JLCPCB lists it as part C3040705, with 0 in stock; the sellers' links on this page open their listings.

What can replace the HT1635D?

Parts like it in the library: the HT1635C-64LQFP-7*7 by Holtek Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the HT1635D?

2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.