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LED Driver ICs Forum Discussions

fausto_borg
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The TLD509x mainly differ in maximum output voltage, output current accuracy, analog dimming, short-to-ground protection and capability to drive an external NMOS for dimming purpose from each other:

Maximum output voltage:

    TLD5095: 45 V


    TLD5097: 61 V


    TLD5098: 61 V


    TLD5099EP: 61 V


LED current accuracy:

    TLD5095: 5%


    TLD5097: 3%


    TLD5098: 3%


    TLD5099EP: 3%


analog dimming:

    TLD5095: No


    TLD5097: Yes


    TLD5098: Yes


    TLD5099EP: Yes


Output short-circuit protection:

    TLD5095: No


    TLD5097: No


    TLD5098: Yes


    TLD5099EP: Yes


Digital PWM dimming:

    TLD5095: Yes, with dedicated PWM gate driver


    TLD5097: Yes


    TLD5098: Yes, with dedicated PWM gate driver


    TLD5099EP: Yes, with dedicated PWM gate driver


Embedded PWM engine:

    TLD5095: No


    TLD5097: No


    TLD5098: No


    TLD5099EP: Yes, 8 bit resolution; frequency adjustable with external capacitor


Spread spectrum:

    TLD5095: No


    TLD5097: No


    TLD5098: No


    TLD5099EP: Yes, 7KHz modulation frequency
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