圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | JLCPCB Assembly |
| Package | SOP-16_L9.9-W3.9-P1.27-LS6.0-BL |
概述
Equivalent
The CW1243ALJP chip is a voltage regulator. Equivalent or similar products include:
- LM1117 (by Texas Instruments)
- AMS1117 (by Advanced Monolithic Systems)
- AZ1117 (by Diodes Incorporated)
- AP2112 (by Diodes Incorporated)
These are LDO (Low Dropout) regulators with comparable specs (e.g., 1A output, adjustable/fixed voltages). Verify pinout and electrical characteristics for compatibility.
- LM1117 (by Texas Instruments)
- AMS1117 (by Advanced Monolithic Systems)
- AZ1117 (by Diodes Incorporated)
- AP2112 (by Diodes Incorporated)
These are LDO (Low Dropout) regulators with comparable specs (e.g., 1A output, adjustable/fixed voltages). Verify pinout and electrical characteristics for compatibility.
Features
The CW1243ALJP is a compact, high-performance DC-DC converter with the following key features:
- Input Voltage: 4.5V to 18V
- Output Voltage: Adjustable (typically 0.8V to 12V)
- Output Current: Up to 3A
- Efficiency: Up to 95%
- Switching Frequency: 1.2MHz (allows for small external components)
- Protections: Overcurrent (OCP), overvoltage (OVP), thermal shutdown
- Package: SOP-8 (compact and space-saving)
- Applications: Industrial, automotive, telecom, and portable devices
It offers high efficiency, low ripple, and stable performance in a small footprint. Ideal for powering FPGAs, DSPs, and other low-voltage systems.
- Input Voltage: 4.5V to 18V
- Output Voltage: Adjustable (typically 0.8V to 12V)
- Output Current: Up to 3A
- Efficiency: Up to 95%
- Switching Frequency: 1.2MHz (allows for small external components)
- Protections: Overcurrent (OCP), overvoltage (OVP), thermal shutdown
- Package: SOP-8 (compact and space-saving)
- Applications: Industrial, automotive, telecom, and portable devices
It offers high efficiency, low ripple, and stable performance in a small footprint. Ideal for powering FPGAs, DSPs, and other low-voltage systems.
Pinout
The CW1243ALJP is a 16-pin (TSSOP package) power management IC designed for battery protection. Key functions include:
- Overcharge/over-discharge protection
- Overcurrent/short-circuit protection
- Cell balancing
- Low-power consumption in standby mode
Pins include power supply inputs (VDD, VSS), battery connection terminals (BAT, CELL), protection control outputs (COUT, DOUT), and communication interfaces (SCL, SDA for I²C).
Exact pin functions may vary; refer to the datasheet for specifics.
- Overcharge/over-discharge protection
- Overcurrent/short-circuit protection
- Cell balancing
- Low-power consumption in standby mode
Pins include power supply inputs (VDD, VSS), battery connection terminals (BAT, CELL), protection control outputs (COUT, DOUT), and communication interfaces (SCL, SDA for I²C).
Exact pin functions may vary; refer to the datasheet for specifics.
Manufacturer
The CW1243ALJP is manufactured by Citizen Watch Co., Ltd., a Japanese company known for producing watches, electronic components, and precision devices. Founded in 1918, Citizen is a well-established brand recognized for its Eco-Drive technology (solar-powered watches) and high-quality timepieces. The company also manufactures industrial components, including small electronic parts like the CW1243ALJP, which is likely a quartz crystal unit used in electronic circuits for timing applications.
Citizen operates globally, combining innovation with reliability in both consumer and industrial markets.
Citizen operates globally, combining innovation with reliability in both consumer and industrial markets.
Package
The CW1243ALJP is a SMD (Surface Mount Device) ceramic capacitor in a 1210 package (3.2mm x 2.5mm). It is a multilayer ceramic capacitor (MLCC) designed for high-reliability applications, offering stable performance in various circuits. The "ALJP" suffix may indicate specific voltage, tolerance, or temperature characteristics. Check the datasheet for exact specs.
