CXLD64406 is a highly integrated multi-function power management chip designed for small electronic devices and controllers. Its dual linear power output combined with the power triode drive architecture has significant advantages in swing car, balancing vehicles, electric vehicle controllers and other fields. This article will deeply analyze its core features, application schemes and technical details.
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[ CXLD64406 ]"
CXLD64406 dual output voltage regulator chip: an efficient solution with integrated drive and protection functions
CXLD64406 is a highly integrated multi-function power management chip designed for small electronic devices and controllers. Its dual linear power output combined with the power triode drive architecture has significant advantages in swing car, balancing vehicles, electric vehicle controllers and other fields. This article will deeply analyze its core features, application schemes and technical details.
I. Core features and functional highlights
1. Dual voltage regulator output
a. Independently output 5V and 3.3V voltage, each circuitMaximum current 100mA
B. Low noise design (3.3V channel noise ≤ 30μv, 5V Channel ≤ 40μv)
c. High ripple suppression ratio (50dB @ 120Hz) to ensure power purity
2. Integrated driver and protection module
a. Built-in power triode: can directly drive buzzer and relay (saturation differential pressure ≤ 0.7V @ 100mA)
B. Overcurrent protection triode: current detection and limit through IS/IO pin
c. Temperature protection output short circuit protection to improve system reliability
3. Industrial performance parameters
a. Input voltage range:8V-36V(Transient withstand voltage 36V)
B. Operating temperature:-45 ℃ ~ 125 ℃
c. Load adjustment rate: ± 60mV (full load range)
2. Pin configuration and typical applications
1. Key pin functions(ESOP8 package)
| Pin | Function description |
|---|---|
| VIN | 12-36V wide voltage input |
| VO1 | 3.3V/100mA output |
| VO2 | 5V/100mA output |
| Bin/CO | Power triode input/output terminal |
| IS/IO | Overcurrent protection signal detection terminal |
2. Typical application circuit design
I. Power input stage: VIN terminal parallelC1/C2 filter capacitor(1μf recommended)
II.Output level: VO1/VO2 terminal connectionC3 capacitorStable voltage
III.Drive control:
a.BinConnect MCU PWM signal
B .CODrive relay coil/buzzer
c.IS-IO series Rsense resistorSet the overcurrent threshold
III. Deep analysis of electrical performance
| Parameter | 3.3V output | 5V output |
|---|---|---|
| Output voltage accuracy | 3.3V ± 3% | 5V ± 3% |
| Differential pressure requirements | ≥1.7V@100mA | ≥1.7V@100mA |
| Temperature Drift coefficient | 0.08mV/℃ | 0.15mV/℃ |
Power triode performance
1. Driving capability: 100mA continuous current
2. Conduction characteristics: When Bin = 3.3V, Vce ≤ 0.7V
IV. Industry application scenarios
1. Intelligent Unit Load Device Controller
a. Swing car/balance car MCU power supply (5v 3.3V dual-channel)
B. Relay drive (motor start-stop control)
2.PC peripherals and audio and video equipment
a. Sound card auxiliary power supply
B. Mainboard peripheral circuit voltage regulator
3. Industrial control system
a. Sensor power supply module
B. Low power actuator driver
V. Summary of design advantages
Passed CXLD64406Triple innovative designSolve the power pain points of compact equipment:
1. Space optimization: ESOP8 package (3.9 × 4.9mm) saves PCB area
2. System simplification: no external drive triode, reduce BOM cost
3. Security protection: Built-in overcurrent/overheating/short circuit triple protection mechanism
4. Energy efficiency improvement: Static current is only 3.5mA (typical)
Technical Specification (product PDF)Engineer design suggestions: in the application of electric vehicle controller, it is recommended that VIN ≥ 10V to ensure the full load performance of 5V output; When driving inductive load, flyback diode protection power tube should be added to the CO terminal.
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Relevant chip selection guide More similar products.....
| Model | Operating voltage | Static current | Maximum output current | Features | Encapsulation |
| CXLD64406 | 8-36V | 4.5mA | 100mA | Double linear power supply output 5V, 3.3V, integrated overcurrent protection triode, power triode | ESOP8 |
| CXLD64407 | 8-36V | 4.5mA | 100mA | Double linear power supply output 12V, 3.3V, integrated overcurrent protection triode, power triode | ESOP8 |
| CXLD64408 | 8-36V | 4.5mA | 100mA | Double linear power supply output 12V, 5V, integrated overcurrent protection triode, power triode | ESOP8 |
| CXLD78L05A | 8-36V | 3.4mA | 100mA | Linear power output 5V | SOT-89/TO-92 |
| CXLD78L12 | 14-36V | 3.4mA | 100mA | Linear power output 12V | SOT-89/TO-92 |
