Circuit Schematic Camera White LED Flash Illumination using TPS61058

Light. - This is electronic circuit schematic of Camera White LED Flash Illumination using TPS61058 like in Figure 1 below. In this circuit schematic the basic component used is IC TPS61058 and others basic components. 

In here we will give you global description about circuit schematic of Camera White LED Flash Illumination using TPS61058 and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. Circuit Schematic White LED flash circuit using TPS6105x
(Source: Electroschematics)

Component Part

• TPS61058 IC
• Inductor
• LED
• Resistors
• Capacitors

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Camera White LED Flash Illumination using TPS61058. Electroschematics site describe that the TPS6105x (TPS61058/ TPS61059) series fixed frequency, synchronous boost dc-dc converters with an integrated down conversion mode.The chips (from Texas Instruments) are optimized for driving high power single cell white LEDs up to 800 mA of forward current from a 2.7 V to 5.5 V supply input. External resistors program the forward current to different levels (ex: torch, flash). The boost converter is based on a 650-kHz fixed frequency, PWM controller with integrated power MOSFETs to obtain maximum efficiency. The maximum peak current in the boost switch is limited to 1000 mA (TPS61058) and 1500 mA (TPS61059). The TPS6105x series fulfills both attributes to be used as a flash driver. Next figure shows a typical circuit for using the LED in two current modes. In low current mode, when the enable pin and nFLASH is set to HIGH, it can be used as a torch or video light. In a high current mode, nFLASH is LOW, it drives the LED for flash illumination.

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