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TCS5530B

torchadmin — Wed, 04 Dec 2024 11:17:23 +0000

The TCS5530B is a step-up converter designed for driving up to 8 Series white LED’s from a single cell Lithium lonbattery. The device features integrated overvoltage protection and Its low 300mV feedback voltage reduces powerloss and improves effciency.
Optimized operation frequency can meet the requirement of’small LC filters value and low operation current withhigh efficiency. Internal soft start finction can reduce the inrush current. $OT23-6 package type provides the bestsolution for PCB space saving and total BOM cost

TCS3570

torchadmin — Wed, 27 Nov 2024 02:12:25 +0000

TCS3570是一款高效率、高精度的升壓型大功率 LED 燈恒流驅動控制芯片。
TCS3570內置高精度誤差放大器，固定關斷時間控制電路，恒流驅動電路等，特別適合大功率、多個高亮度 LED 燈的串恒流驅動。
TCS3570采用固定關斷時間的控制方式，其工作頻率最高可達350KHz，可使外部電感和濾波電容體積減小,效率提高，節(jié)省 PCB 面積。關斷時間可通過外部電容進行調節(jié)，工作頻率可根據(jù)用戶要求而改變。
TCS3570 通過調節(jié)外置的電流采樣電阻，能控制高亮度 LED 燈的驅動電流，使LED 燈亮度達到預期恒定亮度。在 EN 端加 PWM 信號，還可以進行 LED 燈調光。
TCS3570采用 SOP8 封裝。

TCS5317

torchadmin — Wed, 27 Nov 2024 01:59:55 +0000

The TCS5317 is a high power and high efficiencyboost controller with 4-channel current sinker which isideal for large LCD backlighting applications.

TCS5317 uses current mode,fixed frequencyarchitecture which can clamp the inductor peak currenteach cycle. The switching frequency is programmableby an external frequency setting resistor. It drives anextemal MOSFET to boost up the output voltage froma 4.5V to 28V input supply. The TCS5317 regulatesthe current in each LED string to the programmedvalue set by an external current setting resistor. TheTCS5317 current matching can achieve 1.5% andregulation accuracy can reach +2%.

A 3uA shutdown current and 0.85V (LED@180mA)feedback voltage and Maximum 65V output allows forup to 18 high-power LEDs in series will greatlyimprove efficiency and reduce power dissipation.

The device supports pulse width modulation (PWM)brightness dimming. During digital PWM dimming.the WLED current is tumed on/off at the duty cycleand frequency determined by the PWM signal on thePWMI pin.

The TCS5317 integrated multiple protect functions,such as LED Open, LED Short, Output Over Voltage.Over thermal, Input Over Current, and Under VoltageLockout(UVLO),these protection will prevent theLCD backlight from damage.

TCS5317 is available in 16pin SOP and TSSOP (EP)packages.

TCS5292

torchadmin — Wed, 27 Nov 2024 01:50:47 +0000

The TCS5292 is a high performance controller for LEDBacklight. The internal soft start function can reduce theinrush current. The device uses current mode,fixedfrequency architecture to regulate the LED current, which ismeasured through an external current sense resistor. Its low300mV feedback voltage reduces power loss and improvesefficiency.
The TCS5292 ofers extemal lowfequencyPWMdimming method for a wide range of dimming control.The TCS5292 integrated multiple protections, such as overcurrent protection(OCP),over voltage protection (OVP)Diode & Inductor short protection, LED cathode short toGND protection,Under Voltage Lockout (UVLO). ThermalShutdown Protection(OTP), and LED open protection.The TCS5292 is available in SOP-8 package to provide thebest solution for PCB space saving and total BOM cost.

TCS5290

torchadmin — Tue, 26 Nov 2024 10:18:15 +0000

The TCS5290 is a high effciency boost regulator with6 channel current sinker which is ideal for media sizeLCD backlighting applications.
The device with integrated 2.5A/43V power MOSFETuses current mode architecture and drives six strings inparallel and supports up to 10 pieces of LEDs perstring. The switching frequency is programmable by anextemnal frequency setting resistor. The TCS5290regulates the current in each LED string to theprogrammed value set by an external current settingresistor. The TCS5290 current matching can achieve+2%.To provide enough headroom for the operating ofcurrent sink,boost converter monitors the minimumvoltage of feedback pins and regulates an optimizecoutput voltage for power efficiency
The TCS5290 has wide input voltage range ftom 2.5Vto 24V and provides adjustable 5mA to 50mA LEDcurrent. It provides cycle-by-cycle over currentprotection. The device supports PWM dimmingfunctions for accurate LED current control.The TCS5290 integrated multiple protect functions.such as LED open, LED short, output over voltage.over thermal and under voltage lockout,theseprotections will prevent the LD backlight fomdamage.
The TCS5290 is available in a 3x3mm TOFN-20Lpackage.

TCS5202C

torchadmin — Tue, 26 Nov 2024 10:08:39 +0000

The TCS5202Careboost convertersdesigned for white LEDdriver with 30V OVP from a single cell Li-ion battery. The TCS5202Cuse current mode, fixed frequency architecture to regulate LED stringscurrent, which is setwithan external current sense resistor. Its low 200mVfor TCS5202C,250mVtypical feedback voltage with EN/PWM Pulling High reduces power loss and improves efficiency.

The TCS5202Cinclude under-voltage lockout,current limiting and thermal overload protectionpreventing damage in the event of an outputoverload.

Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current.

SOT23-6packagetypeprovidesthebestsolution for PCB space saving and total BOM cost.

TCS5201

torchadmin — Tue, 26 Nov 2024 10:00:30 +0000

The TCS5201is a step-up converter designed for driving up to 7 series white LEDs from a single cell Lithium Ion battery. The TCS5201uses current mode, fixed frequency architecture to regulate an LED current, which is measured through an external current sense resistor. Its low 200mVfeedback voltage reduces power loss and improves efficiency.

The TCS5201includes under-voltage lockout, limiting and thermal overload protectionpreventing damage in the event of an outputoverload.

Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current. Tiny package type provide the best solution for PCB space saving and total BOM cost.