Substituí e ficou do mesmo jeito.
Assim que plugo o carregador a placa liga.
U30 Pinos; U73 Pinos; U74 Pinos;
VIN 1 = 19.24V POK 1 = 3.110V POK 1 = 0V
GND 2 = 0V EN 2 = 4.955V EN 2 = 4.954V
EN 3 = 19.14V PFM 3 = 0V PFM 3 = 0V
FB 4 = 0.988V AGND 4, 12, 13, 14, 15, 19 AGND 4, 12, 13, 14, 15, 19
VOUT 5 = 4.955V FB 5 = 0.813V FB 5 = 0.390V
TON 6 = 0.788V TON 6 = 10.90V
U7 Pinos; VIN/LDOIN 7, 8, 9, 22 e 24 = 19.24V VIN/LDOIN 7, 8, 9, 22 e 24 = 19.22V
EN 1 = 5.132V LX 10, 11, 16, 17, 18 e 25 = 5.145V LX 10, 11, 16, 17, 18 e 25 = 0.518V
GND 2 = 0V BOOT 20 = 10.04V BOOT 20 = 0.199V
LX 3 = 3.327V LDO 21 = 5.061V LDO 21 = 0V
VIN 4 = 5.143V SS 23 = 3.815V SS 23 = 0.112V
POK 5 = 0V
FB 6 = 0.606V
L47 = 5.145V / L44 = 3.327V / L48 = 0.521V