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CPH6311-TL-E-VB Product details
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The CPH6311-TL-E-VB is a Single P-MOS deeply optimized for low-voltage power switching applications. Its Trench technology balances low switching losses with high reliability, and the SOT23-6 package achieves a balance between heat dissipation and board area. The combination of 30V voltage rating, 4.8A current capability, and 49mΩ on-resistance makes it an ideal cost-reducing upgrade option to replace traditional DPAK or SOP-8 packaged devices, especially suitable for high-density, high-volume applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | 54(mΩ) | 49(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P |
Product Parameters (Key Selection Decision Points)
VDS=-30V: Suitable for negative power rails of 5V/12V/24V systems, with sufficient margin for voltage spikes, reducing avalanche breakdown risk.
VGS=±20V: Compatible with 1.8V~12V logic levels, can directly connect to MCU/PMIC, eliminating level-shifting circuits.
Vth=-1.7V (typical): Fully enters the conduction region even under low-voltage drive, especially suitable for P-MOS high-side applications in battery voltage decay scenarios.
RDS(on)=49mΩ @ VGS=10V, 54mΩ @ VGS=4.5V: Low on-resistance, significantly reduces temperature rise at full load, can reduce heat sink copper area.
ID=-4.8A: Ample continuous current margin, can handle peak demands of most portable and automotive auxiliary loads.
Package SOT23-6: Small size, low parasitic parameters, supports high-frequency switching, while saving PCB area and assembly costs.
VDS=-30V: Suitable for negative power rails of 5V/12V/24V systems, with sufficient margin for voltage spikes, reducing avalanche breakdown risk.
VGS=±20V: Compatible with 1.8V~12V logic levels, can directly connect to MCU/PMIC, eliminating level-shifting circuits.
Vth=-1.7V (typical): Fully enters the conduction region even under low-voltage drive, especially suitable for P-MOS high-side applications in battery voltage decay scenarios.
RDS(on)=49mΩ @ VGS=10V, 54mΩ @ VGS=4.5V: Low on-resistance, significantly reduces temperature rise at full load, can reduce heat sink copper area.
ID=-4.8A: Ample continuous current margin, can handle peak demands of most portable and automotive auxiliary loads.
Package SOT23-6: Small size, low parasitic parameters, supports high-frequency switching, while saving PCB area and assembly costs.
Domain and module applications：
Decision Value Analysis
Portable Device Power Management: Low internal resistance improves negative voltage buck/boost efficiency, extends battery life, small package aids ultra-thin design.
Battery Protection Module: Fast response ensures microsecond shutdown during overcurrent/short circuit, low internal resistance reduces self-heating of the protection board.
Low-Voltage Motor Drive: Low PWM switching losses, smoother motor operation, significantly lower controller temperature rise.
Consumer Electronics Control Module: Logic-level direct drive simplifies peripherals, suitable for high-volume, low-cost products like smart sockets and USB switches.
Negative Voltage Load Switch: As a high-side P-MOS switch, low on-state voltage drop effectively controls -12V/-24V power rail on/off.
DC-DC Converter: Replaces Schottky in synchronous rectification, improving heavy-load efficiency by 2~3%, facilitating module miniaturization.
Automotive Auxiliary Power: Voltage margin and wide operating temperature range (-55~150°C) adapt to the negative voltage side of 12V automotive buses, high reliability. Selection Summary: CPH6311-TL-E-VB achieves a balance between performance margin, package size, and system cost, making it a cost-effective general-purpose P-MOS choice for 30V low-voltage switching applications, especially suitable for projects with strict space and thermal requirements.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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