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TC7662BCPA

Public Made by Adom

by adom

Microchip Tech DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TC7662BCPA

Microchip Tech · DC-DC Converters · PDIP-8

TC7662BCPA from Microchip Tech, in a PDIP-8. 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 BOOST input Connecting this pin to V+ raises the oscillator frequency by approximately 3-1/2 times, while leaving it open or at GND keeps the nominal 10kHz oscillator.
2 CAP+ passive Positive terminal of pump capacitor C1; when polarized capacitors are used in the inverting mode, the + terminal of C1 must connect to this pin.
3 GND power_in Ground reference; when polarized capacitors are used in the inverting mode, the - terminal of C2 must connect to GND.
4 CAP- passive Negative-side pump capacitor connection (C1) of the charge pump, as shown in the test circuit.
5 VOUT power_out Converter output, which is -V+ in the simple negative converter; shorting the output to V+ above 5.5V is allowed only for transient conditions.
6 LV input Connect to GND to disable the internal regulator for supplies up to 3.5V; for supplies above 3.5V this pin must be left open, and current into LV is limited to 20µA when V+ is above 3.5V.
7 OSC input Oscillator timing node; connecting an external capacitor from OSC to ground with pin 1 open lowers the oscillator frequency below 10kHz.
8 V+ power_in Positive supply input, rated 1.5V to 15V in operation with a 16.5V absolute maximum supply voltage.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package PDIP-8
Category Power Management ICs
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Current I+ 80 160 µA RL = ∞, +25°C, Boost pin OPEN OR GND 2
Supply Current I+ 180 µA 0°C ≤ TA ≤ +70°C, Boost pin OPEN OR GND 2
Supply Current I+ 300 µA 0°C ≤ TA ≤ +70°C, Boost pin = V+ 2
Supply Voltage Range, High V+H 3 15 V RL = 10 kΩ, LV Open, TMIN ≤ TA ≤ TMAX 2
Supply Voltage Range, Low V+L 1.5 3.5 V RL = 10 kΩ, LV to GND, TMIN ≤ TA ≤ TMAX 2
Output Source Resistance ROUT 65 100 Ω IOUT = 20mA, 0°C ≤ TA ≤ +70°C 2
Output Source Resistance ROUT 250 Ω IOUT = 3mA, V+ = 2V, LV to GND, 0°C ≤ TA ≤ +70°C 2
Oscillator Frequency fOSC 5 10 kHz COSC = 0, Pin 1 Open or GND 2
Power Efficiency PEff 96 96 % RL = 5kΩ 2
Power Efficiency PEff 95 97 % TMIN ≤ TA ≤ TMAX 2
Voltage Conversion Efficiency VOUTEff 99 99.9 % RL = ∞ 2
Supply Voltage 16.5 V 2
LV, Boost and OSC Input Voltage -0.3 V V+ < 5.5V; upper limit is (V+ + 0.3V) 2
Current Into LV 20 µA V+ > 3.5V 2
Operating Temperature Range (C Suffix) 0 70 °C C suffix 2
Storage Temperature Range -65 150 °C 2
Lead Temperature 300 °C Soldering, 10 sec 2

CAD (KiCad official)

  • Symbol: TC7662BCPA
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: PDIP-8 (KiCad packages3D, STEP)
  • 3D model files: tc7662bcpa-etched.step / tc7662bcpa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tc7662bcpa.step / tc7662bcpa.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (11 pp, sha256 cc6b50f14e507d59, retrieved 2026-10-28, tier: manufacturer)
  • 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