Dc-Dc Converter; Charger Specifications; Dc-Dc Converter Specifications - Acer 390 Series Service Manual

Table 1-25

Charger Specifications

Vendor & model name
Input voltage (from adapter, V)
Output current (to DC/DC converter, A)
Battery Low Voltage
Battery Low 1 level (V)
Battery Low 2 level (V)
Battery Low 3 level (V)
Charge Current
Background charge (charge even system is still operative, A)
Normal charge (charge while system is not operative, A)
Charging Protection
Maximum temperature protection (ºC)
Maximum voltage protection (V)
Over voltage protection
1.4.22

DC-DC Converter

DC-DC converter generates multiple DC voltage level for whole system unit use.
Table 1-26

DC-DC Converter Specifications

Item
Vendor & model name
Input voltage (Vdc)
Output Rating
Current (w/ load, A)
Voltage ripple (max., mV)
Voltage noise (max., mV)
OVP (Over Voltage Protection, V)
1-20
Item
Ambit T62.041.C.00
8~21
5V 3.3V
0~3.2 0~3.3
50 50
100 100
6.1~8.0 4.2~6.2
Ambit T62.069.C.00
0-24V
3 (max.)
10.16 (typ., for NiMH)
8.566 (typ., for LIB)
10.279 (typ., for NiMH)
8.185 (typ., for LIB)
9.137 (typ., for NiMH)
7.709 (typ., for LIB)
0.8 (typ.)
2.0 (typ.)
60
16.7V 0.2V
13V 0.15
Specification
2.9V +12V
(2.9 /3.1 /3.3V)
0~4.2 0~0.15
50
100
3.3-5.2 V
Specification
+6V 5VSB
0~0.1 0.005
100 300 75
200 500 250
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Service Guide