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Microchip Technology TC7662BEOA713
- Part No.:
- TC7662BEOA713
- Manufacturer:
- Microchip Technology
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TC7662BEOA713.pdf
- Description:
- IC REG CHARG PUMP INV 20MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:10,276
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Product details
Overview
TC7662BEOA713 from Microchip Technology is an 8-pin SOIC charge pump DC-DC voltage converter operating from 1.5V to 15V input, delivering inverted output (–VIN) with 96% power efficiency and 10kHz nominal oscillator frequency (35kHz with BOOST pin tied to V+). It requires only two external capacitors and replaces ICL7660 in ±5V generation, RS232 power supplies, and data acquisition negative rails.
For engineers reviewing the TC7662BEOA713 datasheet, TC7662BEOA713 pinout, TC7662BEOA713 application, or TC7662BEOA713 equivalent, key selection criteria include extended temperature range (–40°C to +85°C), low quiescent current (80 µA typ.), output source resistance (65 Ω typ. at 20mA), BOOST pin frequency scaling, and LV pin logic control for low-voltage operation.
Technical Context
The TC7662BEOA713 integrates a self-contained charge pump oscillator, MOS switch array (P-channel S1; N-channel S2–S4), voltage-level translator, and internal regulator with anti-latchup logic network. Its RC oscillator supports free-running (10kHz), BOOST-enabled (35kHz), or externally clocked operation.
Pin 6 (LV) disables the internal regulator when grounded-enabling reliable operation down to 1.5V input-but must remain open for inputs >3.5V to prevent latchup. Output impedance is governed by switch RON, capacitor ESR, C1/C2 values, and fOSC, with typical ROUT ≈ 46 Ω + 5×ESR at 10kHz/5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 1.5V to 15V - supports single-cell LiFePO₄, 3.3V/5V logic rails, and industrial 12V supplies without external regulation |
| Oscillator Frequency | 10kHz (nominal, pin 1 open); 35kHz (pin 1 = V+) - enables smaller external capacitors (e.g., 0.1µF) in space-constrained designs |
| Power Efficiency | 96% (typ. at RL = 5kΩ) - minimizes thermal load and extends battery life in portable instrumentation |
| Supply Current | 80 µA (typ., 25°C, BOOST open) - ultra-low quiescent draw critical for always-on sensor nodes |
| Output Source Resistance | 65 Ω (typ., 20mA, 0°C to +70°C) - defines maximum load capability and voltage droop under dynamic current steps |
| Operating Temperature | –40°C to +85°C - qualified for automotive under-hood, industrial PLC, and outdoor embedded applications |
| Package | 8-pin SOIC - surface-mount compatible with automated assembly; footprint matches industry-standard ICL7660 replacements |
Availability
TC7662BEOA713 is available at Aetrix Electronics and suitable for RS232 transceiver power, split-rail analog front-ends, and portable data acquisition systems requiring stable component supply across extended temperature ranges.
Supply support for TC7662BEOA713 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and power management ICs, with a focus on reliability, longevity, and design-in support.
The TC7662B product line delivers compact, inductorless voltage inversion for space- and cost-sensitive applications where ± supplies are needed from a single positive rail.
FAQ
What is the function of the LV pin on the TC7662BEOA713?
The LV (Low Voltage) pin on the TC7662BEOA713 controls the internal voltage regulator. When grounded, it disables the regulator to enable operation down to 1.5V input; when left open, it ensures latchup protection for inputs above 3.5V. This dual-mode behavior allows the TC7662BEOA713 to maintain safe, efficient operation across its full 1.5V–15V input range without external components.
How does the BOOST pin affect TC7662BEOA713 performance?
Tying the BOOST pin (Pin 1) of the TC7662BEOA713 to V+ increases oscillator frequency from 10kHz to 35kHz. This reduces required external capacitor values (e.g., 0.1µF instead of 10µF), lowers output impedance, and decreases ripple-making the TC7662BEOA713 ideal for high-density PCB layouts and low-ESR ceramic capacitor use.
Can TC7662BEOA713 generate voltages other than –VIN?
Yes-the TC7662BEOA713 supports multiple configurations beyond basic inversion: cascading enables –n×VIN outputs (e.g., –10V from +5V), voltage splitting yields ±VS/2, and reconfigured external diodes allow positive doubling (e.g., +9V from +5V). Each mode retains the TC7662BEOA713's core charge pump architecture and efficiency characteristics.
What are the absolute maximum ratings for TC7662BEOA713?
The TC7662BEOA713 has an absolute maximum supply voltage of +16.5V, LV/BOOST/OSC input limits of (V+ – 5.5V) to (V+ + 0.3V) for V+ > 5.5V, and continuous output short-circuit tolerance only for VSUPPLY ≤ 5.5V. Exceeding these ratings risks permanent damage; proper decoupling and sequencing are required per DS21469A guidelines.
Is TC7662BEOA713 pin-compatible with ICL7660?
Yes-the TC7662BEOA713 is explicitly designed as a pin-compatible upgrade to the ICL7660, sharing identical 8-pin SOIC pinout, terminal functions, and basic application circuitry. It improves upon the ICL7660 with higher efficiency (96% vs. ~90%), wider input range (1.5V min vs. 1.4V), and BOOST pin frequency scaling-requiring no PCB changes in existing ICL7660 designs.
TC7662BEOA713 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Ratiometric
- Output Configuration:
- Positive or Negative
- Topology:
- Charge Pump
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.5V
- Voltage - Input (Max):
- 15V
- Voltage - Output (Min/Fixed):
- -Vin, 2Vin
- Voltage - Output (Max):
- -
- Current - Output:
- 20mA
- Frequency - Switching:
- 10kHz ~ 35kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TC7662BEOA713 FAQ
1.How can I place an order for TC7662BEOA713 through Aetrix?
Please submit a Request for Quotation (RFQ) for TC7662BEOA713 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TC7662BEOA713 reliable?
The price and inventory of TC7662BEOA713 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC7662BEOA713 is usually 5 days.
3.What payment methods are accepted for TC7662BEOA713?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC7662BEOA713 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC7662BEOA713?
TC7662BEOA713 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC7662BEOA713 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TC7662BEOA713?
For technical support, including TC7662BEOA713 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC7662BEOA713 requirements.
6.How does Aetrix verify that TC7662BEOA713 is sourced from the original manufacturer or authorized distributors?
All TC7662BEOA713 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TC7662BEOA713 meets industry standards.
7.What is the process for return or replacement of TC7662BEOA713?
All TC7662BEOA713 units undergo pre-shipment inspection (PSI). If there is an issue with TC7662BEOA713, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TC7662BEOA713 part is unused and in its original packaging.
Return procedure for TC7662BEOA713:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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