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pt6964

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PTC(Princeton Tech) LED Drivers, SOP-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PT6964

PTC(Princeton Tech) · LED Drivers · SOP-28-300mil

PT6964 from PTC(Princeton Tech), in a SOP-28-300mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OSC input Oscillator input; a resistor connected to this pin sets the oscillation frequency, which is 350 to 650 kHz with R=51 kΩ.
2 DI/O bidirectional Serial data input sampled at the rising edge of the shift clock (LSB first) and N-channel open-drain data output; an external pull-up of 1 kΩ to 10 kΩ is recommended.
3 CLK input Shift clock that reads serial data on the rising edge and outputs data on the falling edge, with clock pulse width of at least 400 ns.
4 STB input Serial interface strobe; data input after STB falls is processed as a command, and CLK is ignored while STB is HIGH.
5 K1 input Key data input latched at the end of the display cycle, with an internal pull-low resistor of 40 to 100 kΩ at VDD=5V.
6 K2 input Key data input latched at the end of the display cycle, with an internal pull-low resistor of 40 to 100 kΩ at VDD=5V.
7 VDD power_in Logic supply voltage, 4.5 V minimum, 5 V typical and 5.5 V maximum.
8 SG1/KS1 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
9 SG2/KS2 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
10 SG3/KS3 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
11 SG4/KS4 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
12 SG5/KS5 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
13 SG6/KS6 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
14 SG7/KS7 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
15 SG8/KS8 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
16 SG9/KS9 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
17 SG10/KS10 output Segment output (P-channel open drain) that also acts as key source; high-level output current is -20 to -40 mA at VO=VDD-2V.
18 SG12/GR7 output Segment or grid output; high-level output current is -20 to -40 mA at VO=VDD-2V.
19 SG13/GR6 output Segment or grid output; high-level output current is -20 to -40 mA at VO=VDD-2V.
20 SG14/GR5 output Segment or grid output; high-level output current is -20 to -40 mA at VO=VDD-2V.
21 VDD power_in Logic supply voltage, 4.5 V minimum, 5 V typical and 5.5 V maximum.
22 GND power_in Ground pin, 0 V reference.
23 GR1 output Grid output; low-level output current is 100 to 140 mA at VO=0.3V.
24 GR2 output Grid output; low-level output current is 100 to 140 mA at VO=0.3V.
25 GND power_in Ground pin, 0 V reference.
26 GR3 output Grid output; low-level output current is 100 to 140 mA at VO=0.3V.
27 GR4 output Grid output; low-level output current is 100 to 140 mA at VO=0.3V.
28 GND power_in Ground pin, 0 V reference.

Key specifications

Parameter Value
Manufacturer PTC(Princeton Tech)
Package SOP-28-300mil
Category Display Modules / LED Drivers / Display Drivers
Pins 28

CAD (KiCad official)

  • Symbol: PT6964
  • Footprint: Package_SO:SOP-28_8.4x18.16mm_P1.27mm
  • 3D model: SOP-28-300mil (KiCad packages3D, STEP)
  • 3D model files: pt6964-etched.step / pt6964-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pt6964.step / pt6964.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: PTC(Princeton Tech) datasheet (22 pp, sha256 528e1c8286fa889f, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF