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參數(shù)資料
| 型號： | TPS2490EVM-001 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | +48V Hot Swap Power Manager Evaluation Kit(在+48V熱插拔電源管理中應(yīng)用的評估) |
| 中文描述： | 48V熱插拔電源管理評估套件（在48V的熱插拔電源管理中應(yīng)用的評估） |
| 文件頁數(shù)： | 16/24頁 |
| 文件大?。?/td> | 170K |
| 代理商： | TPS2490EVM-001 |
+48 V Hot-Swap EVM Operating Specifications
2-8
Table 22.+48 V Hot-Swap Evaluation Module Backplane Board Bill of Materials
(HPA018001)
Count
RefDes
Description
Size
Part Number
MFR
1
C1B
Capacitor, ceramic, 0.1
μ
F, 100 V, X7R, 10%
1206
ECJ3YB2A104K
Panasonic
1
C2B,
Capacitor, Panasonic, 100
μ
F, 100 V, 20%
TH
ECAZAM101
Panasonic
0
C3B, C4B
Capacitor center 140 mils
TH
2
J1B, J2B
Header, 2-pin, 100 mil spacing
TH
PTC36SAAN
Sullins
2
J3B, J4B
Connector, banana jack, uninsulated
3267
Pomona
1
P1B
Connector, 44-pin edge with mtg tabs (for 0.062
PCB)”
TH
5022SN11
Cinch
1
SW1
Switch, 1P2T, slide, PC-mount, 200 mA
TH
EG1218
E_Switch
2
TP1B,TP3B
Test point, black, 1 mm
TH
240333
Farnell
2
TP2B,TP4B
Test point, red, 1 mm
TH
240345
Farnell
1
NA
PCB, 2.9 In
×
3.5 In
×
0.062 In
HPA018
Any
4
NA
Spacer, nylon, Hex, #632, 0.625
14HTSP020
Eagle
4
NA
Screw, nylon, and, Hd, #632, 0.25
010632R025
Eagle
2.3
+48 V Hot-Swap EVM Operating Specifications
The EVM main board and backplane board were designed for some degree
of user reconfiguration, as described later in Chapter 4, when using the EVM
to evaluate the TPS2490 and TPS2491 HSPM ICs. This includes
modifications for different load current requirements. However, under no
circumstances should the EVM kit be operated beyond the input supply and
load currents specified in Table 23.
Table 23.EVM Absolute Maximum Ratings
Parameter
Min
Max
Units
Supply voltage range, J4B (+48VIN)
0.3
100
V
Load current, J5 (OUT)
0
Limited
A
°
C
Ambient operating temperature range
40
85
Notes:
1) All voltages are with respect PCB GND node, J1B, J3B, J4 or J6.
2) Currents are positive into and negative out of the specified terminal.
3) The EVM contains clamping circuitry to clamp the voltage of the TPS2490 and
TPS2491 VCC input below 80 V. The EVM can survive transient voltage excursions
at J5 and J6 beyond the dc limits specified in Table 23.
Component selection for the EVM was done to configure the circuit for a typical
+48 V application. As such, the target operating conditions, to the factory-
installed component values, are as shown in Table 24.
Table 24.+48 V EVM Recommended Operating Conditions
Parameter
Min
Nom
Max
Units
Enabling by SW1, S1 in MANU
10
48
70
V
Enabling by S1, SW1 in OFF
42
48
70
V
Load current, OUT
0
4
A
Notes:
1) All voltages are with respect PCB GND node, J1B, J3B, J4 or J6.
2) Currents are positive into and negative out of the specified terminal.
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