65V, 2A buck LED driver with analog or PWM dimming options

The TPS92205x family is a 1A / 2A

non-synchronous Boost / Buck-Boost LED driver with 4.5V to 65V wide input range.

By integrating the low-side NMOS, the device is capable of driving LEDs with high

power density and high efficiency. The device also supports common anode

anodeconnection and single layer PCB. The

switching frequency is set at 400kHz or 1MHz.

The TPS92205x family support PWM

dimming by configuring through the DIM input pins by means of simple high and low

signals. The TPS92205x family support analog dimming by configuring

through the DIM input pins by means of analog voltage signals. The device adopts an

adaptive off-time current mode control along with smart and accurate sampling to

enable fast PWM dimming and achieve high dimming ratio.

The TPS92205x family also provides

multiple systematic protections, including LED open and short, switching FET open

and short, sense resistor open and short, and thermal shutdown.