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Order Information ：
Part Number：TPS54260DGQR
Manufacturer：Texas Instruments
Category ： Integrated Circuits PMIC - Voltage Regulators - DC DC Switching Regulators
Description ：IC REG BUCK ADJ 2.5A 10MSOP
Detailed Description：Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 2.5A 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
Applications：12-V, 24-V and 48-V Industrial and Commercial Low-Power Systems / GSM, GPRS Modules in Fleet Management, EMeters, and Security Systems
The TPS54260 device is a 60-V, 2.5-A, step-down regulator with an integrated high-side MOSFET.
Current mode control provides simple external compensation and flexible component selection. A low-ripple, pulse skip mode reduces the no load, regulated output supply current to 138 μA. Using the enable pin, shutdown supply current is reduced to 1.3 μA, when the enable pin is low.
Undervoltage lockout (UVLO) is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slowstart pin that can also be configured for sequencing and tracking. An open-drain powergood signal indicates the output is within 94% to 107% of its nominal voltage.
A wide switching frequency range allows efficiency and external component size to be optimized.
Frequency foldback and thermal shutdown protects the part during an overload condition.
The TPS54260 is available in 10-pin thermally enhanced MSOP and 10-pin 3-mm × 3-mm SON PowerPAD packages.
Part Number：INA196AIDBVR
Manufacturer：Texas Instruments
Category ： Integrated Circuits PMIC - Current Regulation/Management
Description ：IC CURRENT MONITOR 3% SOT23-5
Detailed Description：Current Monitor Regulator High-Side SOT-23-5
Applications ：Welding Equipment / Notebook Computers / Cell Phones / Telecom Equipment / Automotive / Power Management / Battery Chargers
The INA193−INA198 family of current shunt monitors with voltage output can sense drops across shunts at common-mode voltages from −16 V to +80 V, independent of the INA19x supply voltage. They are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V. The 500 kHz bandwidth simplifies use in current control loops. The INA193−INA195 devices provide identical functions but alternative pin configurations to the INA196−INA198 devices,respectively.
The INA193−INA198 devices operate from a single 2.7-V to 18-V supply, drawing a maximum of 900 μA of supply current. They are specified over the extended operating temperature range (−40°C to +125°C), and are offered in a space-saving SOT-23 package.
Part Number：BCX54TA
Manufacturer：Diodes Incorporated
Category ：Discrete Semiconductor Products Transistors - Bipolar (BJT) - Single
Description ：TRANS NPN 45V 1A SOT89-3
Detailed Description：Bipolar (BJT) Transistor NPN 45 V 1 A 150MHz 1 W Surface Mount SOT-89-3
Applications ：Medium Power Switching or Amplification Applications / AF Driver and Output Stages
Part Number：TMK325ABJ476MM-T
Manufacturer：Taiyo Yuden
Category ：Ceramic Capacitors
Description ：CAP CER 47UF 25V X5R 1210
Detailed Description：47 µF ±20% 25V Ceramic Capacitor X5R 1210 (3225 Metric)
Applications ：
• Communication equipment (cellular phone, wireless applications, etc.)
• General digital circuit
• Power supply bypass capacitors
- Liquid crystal modules
- Liquid crystal drive voltage lines
- LSI, IC, converters (both for input and output)
• Smoothing capacitors
- DC-DC converters (for both input and output)
- Switching power supplies (secondary side)
Features：
• Monolithic structure provides higher reliability
• A wide range of capacitance values available in standard case sizes
• The use of nickel as electrode material and plating processing improve the solderability and heat resistance characteristics. It also prevents migration and raises the level of reliability.
• Low equivalent series resistance(ESR) provides superior noise absorption characteristics
Part Number：LAN8720AI-CP-TR
Manufacturer：Microchip Technology
Category ：Integrated Circuits Interface - Drivers, Receivers, Transceivers
Description ：IC TRANSCEIVER FULL 2/2 24SQFN
Detailed Description：2/2 Transceiver Full RMII 24-SQFN (4x4)
Applications ：Set-Top Boxes / Networked Printers and Servers / Test Instrumentation / LAN on Motherboard / Embedded Telecom Applications / Video Record/Playback Systems / Cable Modems/Routers / DSL Modems/Routers / Digital Video Recorders / IP and Video Phones / Wireless Access Points / Digital Televisions / Digital Media Adapters/Servers / Gaming Consoles
Part Number：LPC2114FBD64/01
Manufacturer：NXP USA Inc.
Category ：Integrated Circuits Embedded - Microcontrollers
Description ：IC MCU 16/32B 128KB FLASH 64LQFP
Detailed Description：ARM7® series Microcontroller IC 16/32-Bit 60MHz 128KB (128K x 8) FLASH 64-LQFP (10x10)
Key features brought by LPC2114/2124/01 devices：
• Fast GPIO ports enable port pin toggling up to 3.5 times faster than the original device.They also allow for a port pin to be read at any time regardless of its function.
• Dedicated result registers for ADC(s) reduce interrupt overhead. The ADC pads are 5 V tolerant when configured for digital I/O function(s).
• UART0/1 include fractional baud rate generator, auto-bauding capabilities and handshake flow-control fully implemented in hardware.
• Buffered SSP serial controller supporting SPI, 4-wire SSI, and Microwire formats.
• SPI programmable data length and master mode enhancement.
• Diversified Code Read Protection (CRP) enables different security levels to be implemented. This feature is available in LPC2114/2124/00 devices as well.
• General purpose timers can operate as external event counters
The LPC2114/2124 are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, together with 128/256 kB of embedded high-speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty.
With their compact 64-pin package, low power consumption, various 32-bit timers, 4-channel 10-bit ADC, PWM channels and 46 fast GPIO lines with up to nine external interrupt pins these microcontrollers are particularly suitable for industrial control, medical systems, access control and point-of-sale. With a wide range of serial communications interfaces, they are also very well suited for communication gateways, protocol converters and embedded soft modems as well as many other general-purpose applications.
Part Number：LM2940CT-5.0/NOPB
Manufacturer：Texas Instruments
Category ：Integrated Circuits PMIC - Voltage Regulators - Linear
Description ：IC REG LINEAR 5V 1A TO220-3
Detailed Description：Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-220-3
Applications：Post Regulator for Switching Supplies / Logic Power Supplies / Industrial Instrumentation.
The LM2940-N and LM2940C positive voltage regulators feature the ability to source 1 A of output current with a dropout voltage of typically 0.5 V and a maximum of 1 V over the entire temperature range.
Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3 V. The quiescent current with 1 A of output current and an input-output differential of 5 V is therefore only 30mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VIN − VOUT ≤ 3 V).
Designed also for vehicular applications, the LM2940-N and LM2940C and all regulated circuitry are protected from reverse battery installations or 2-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. The LM2940-N and LM2940C cannot be harmed by temporary mirror image insertion. Familiar regulator features such as short circuit and thermal overload protection are also provided.
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