Maxim introduces white LED driver IC with switching frequency of 2MHz

This product is a driver IC using a step-up DC-DC converter circuit. Integrated n-channel power MOSFETs eliminate the need for external products. Due to the high switching frequency, small parts can be used for external components. Therefore, the mounting area on the printed substrate can be reduced.
Dimming is also available. After setting via the I2C interface, the brightness of the LED can be adjusted using a 10-bit PWM signal. The brightness can be adjusted to 1024 levels. In addition, there are five GPIO (General Purpose Input/Output) terminals with low output current. Can drive 1 LED. The output current of the two GPIO terminals is 30mA, and the output current of the other three terminals is 20mA. The GPIO terminal is also equipped with an 8-bit dimming function.

In human discharge mode (HBM), electrostatic discharge (ESD) withstand voltage ensures ±8kV. The power supply voltage is +2.7 to 5.5V. The operating temperature range is -40 to +105 °C. The package uses a 25-terminal WLP (wafer level package) with a mounting area of ​​2.31 mm × 2.31 mm. When the 1000 batches are purchased, the unit price in the US starts at $1.70.

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The performances meet the standard DIN40736 and IEC60896-21...Characteristics  Positive plate: It is a tubular plate that can prevent the active material from falling off. The grid of positive plate is Pb-Sb multi-alloy
Separator: With the combined application of porous rubber and porous PVC, the separator has a high porosity and good corrosion-resistance
Acid-proof bolt: It is of a special shape of funnel having the function of filtering acid smog and retarding flame. It can measure the density and temperature of electrolyte.
The design life is more than 20 years
Ensuring sufficient electrolyte for battery discharge

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