參數(shù)資料
型號(hào)： UFORCE
英文描述： SMALL SIGNAL SCHOTTKY DIODES
中文描述： uforCE - ElanSC400和Windows CE uforCE演示系統(tǒng)原理圖
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 212K
代理商： UFORCE
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AUDIC.SCH
uforCE.SCH
uforCE
Table of Contents
BATTCHRG.SCH
VCC5.SCH
P12V.SCH
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Page 9:
Page 11:
Page 12:
Page 1:
Elan SC400 - Windows CE
Demonstration Board Schematic
AMD
LPD - Logic Products Division
Original design
Sh. 4 Added TP to ROMCS0#.
Removed "no populate" designator from U6
Sh. 5 Added RSTA A2 errata work-around.
Sh. 7 Swapped nets TABXNEG & TABYPOS at J1.
Swapped nets LCDD0-LCDD3 at J2.
Changed P/N for J1 & J2.
Changed value of R43 (DISP_ON) & connected to LVEE
Sh. 10 Added 2M resistor from U21 pin 19 to VSOURCE.
Sh. 11 Added 2M resistor from U23 pin 19 to VSOURCE.
Sh. 14 Corrected BATTEMP circuit.
Changed values of R118-R120 for FSTCHRG#.
Sh. 15 Changed comparator bias voltage for VCC switch to Vbias
Rev 1.0:
Sh. 3 Removed "no populate" designator from JP1.
Rev 2.0:
Sh. 2 Removed BATTEMP signal from GPIO-CS3 pin
Sh. 3 JP1 changed to 2mm spacing
Sh. 5 JP2 added for PCMCIA booting
Sh. 6 TC7SH32FU added to level shift SIRIN signal
U38D added to unused gates
Added GND to U14-9 and U14-10
Sh. 7 Added circuit to slow turn-on of LCD
TC7SH32FU added to level shift PEN_OFF signal
Sh. 8 R56 changed to 3.3K pull-up
R144 added to pull-up IOCHRDY signal
Filter circuit added to SPKR signal for noise supression
Sh. 10 LDO regulator circuit changed to 2.85V nominal
Changed control of U21 PWM* mode
U21-9 connected to Vsource
U21 output capacitor increased; added bypass capacitor
Sh. 11 Changed control of U23 PWM* mode
U23-9 connected to Vsource
Added bypass capacitor to U23
Changed D5 to no-populate
Sh. 12 Changed enable for U24 to PCMVPP2A signal
Changed U24-8 to no-connect to cut output current
Slow-start circuit added to slow ramp-up of P12VOLT
Sh. 13 Increased L8; decreased C146 on U25 output
Slow-start circuit added to slow ramp-up of LCDVEE
Changed U25-8 to no-connect to cut output current
Sh. 14 U27 changed to MIC4576 for increased output currrent
Charger circuit changed to use MC33340 controller chip
for Fast/Trickle charge control and battery overtemperature
shutoff
Added LED to indicate charge mode
Charge currents changed to 1.25A/25mA nominal
Changed software controls for charger circuitry to
FASTCHG# and CHARGE# signals
Sh. 15 Changed Vbatt/12VDC switch circuit to use SI4435DY
and power U37 from Vsource
Added current limit circuit to 12VDC
Modified Vbatt/12VDC switch circuit to work with MC33340
Adjusted BLx# sensors for 4.6V, 4.8V, 5.0V nominal
Removed BATTEMP circuit
R124 reduced to 1M for increased hysteresis
R128, R129, R137 increased to 5.1M for reduced hysteresis
2.0
uforCE Demo Board
(C) Advanced Micro Devices, Inc. (800) 222-9323
5204 E. Ben White Blvd.
Austin, TX 78741
AMD Proprietary/All Rights Reserved
1
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Tuesday, October 14, 1997
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PDF描述
UFP1610 CURRENT 16.0 AMPERES VOLTAGE 50 TO 600 VOLTS
UFP1620 CURRENT 16.0 AMPERES VOLTAGE 50 TO 600 VOLTS
UFP1640 CURRENT 16.0 AMPERES VOLTAGE 50 TO 600 VOLTS
UFP1650 14/PG/CL/MTG FLNG/THD INS/30AVG/NL
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