■ FIGURE 4. The schematic for the current source
and battery low voltage detector.
drive. The RC network delays the turn-on of the MOSFETs
by a few microseconds while the diode bypasses the
resistor on the turn-off, so it is not delayed. In other words,
each MOSFET has already turned off before the other
■ FIGURE 5. Assembly drawing for the complete power supply printed circuit board (not to scale).