1-20
Service Guide
Table 1-25
Charger Specifications
Item
Specification
Vendor & model name
Ambit T62.069.C.00
Input voltage (from adapter, V)
0-24V
Output current (to DC/DC converter, A)
3 (max.)
Battery Low Voltage
Battery Low 1 level (V)
10.16 (typ., for NiMH)
8.566 (typ., for LIB)
Battery Low 2 level (V)
10.279 (typ., for NiMH)
8.185 (typ., for LIB)
Battery Low 3 level (V)
9.137 (typ., for NiMH)
7.709 (typ., for LIB)
Charge Current
Background charge (charge even system is still operative, A)
0.8 (typ.)
Normal charge (charge while system is not operative, A)
2.0 (typ.)
Charging Protection
Maximum temperature protection (ºC)
60
Maximum voltage protection (V)
16.7V
±
0.2V
Over voltage protection
13V
±
0.15
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
Specification
Vendor & model name
Ambit T62.041.C.00
Input voltage (Vdc)
8~21
Output Rating
5V
3.3V
2.9V
(2.9 /3.1 /3.3V)
+12V
+6V
5VSB
Current (w/ load, A)
0~3.2
0~3.3
0~4.2
0~0.15
0~0.1
0.005
Voltage ripple (max., mV)
50
50
50
100
300
75
Voltage noise (max., mV)
100
100
100
200
500
250
OVP (Over Voltage Protection, V)
6.1~8.0
4.2~6.2
3.3-5.2 V
-
-
-
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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