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参数资料
| 型号： | TPS54900PWR |
| 厂商： | Texas Instruments |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ .1A QUAD 16TSSOP |
| 标准包装： | 2,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 4 |
| 输出电压： | 7.5 V ~ 13.1 V |
| 输入电压： | 15V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 450kHz |
| 电流 - 输出： | 100mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-TSSOP |
| 配用： | 296-17304-ND - EVAL MODULE FOR XILINX FPGA |
TPS54900
SLVS405 ? OCTOBER 2001
serial command bit assignments
SERIAL BIT
POSITION
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NAME
R/W
ADR2
ADR1
ADR0
S3
S2
S1
S0
D7
D6
D5
D4
D3
D2
D1
D0
DESCRIPTION
Set to logic 1 to read from TPS54900, set to logic 0 to write to TPS54900
Channel bank select, compared to logic state of CBS pin to select between two TPS54900 devices used in an
8-channel configuration
Internal channel select MSB, used with ADR0 to select one of four output channels
Internal channel select LSB, used with ADR1 to select one of four output channels
Device address MSB (S3 = 1 required to address TPS54900)
Device address bit (S2 = 1 required to address TPS54900)
Device address bit (S1 = 1 required to address TPS54900)
Device address LSB (S0 = 1 required to address TPS54900)
Voltage programming MSB
Voltage programming bit
Voltage programming bit
Voltage programming LSB
Channel enable/disable (D3 = 0 enables channel(s))
Global start
Unassigned
Initialize counters
valid commands
WORD
00001111 00001001
0ddd1111 vvvv0100
0aaa1111 vvvv0000
0aaa1111 dddd1000
1aaa1111 dddddddd
DESCRIPTION
Initialize PWM clocks with phase stagger and disable all channels
Turn on and regulate all channels to voltage code vvvv (see voltage programming code table)
Turn on and regulate channel aaa to voltage code vvvv (see voltage programming code table)
Disable channel aaa
Read channel status from channel aaa
NOTE: aaa:
1aa:
vvvv:
d:
three bit channel address, 0aa: corresponds to CBS pin < VIL
corresponds to CBS > VIH
voltage programming code
don’t care state
voltage programming codes
VOLTAGE CODE
(D4?D7)
0
1
2
3
4
5
6
7
Figure 1
7.5
7.9
8.3
8.7
9.1
9.5
9.9
10.3
VOLTAGE CODE
(D4?D7)
8
9
A
B
C
D
E
F
www.ti.com
OUTPUT VOLTAGE
10.7
11.1
11.5
11.9
12.3
12.7
13.1
Pass through mode
7
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相关代理商/技术参数 |
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| TPS54900PWRG4 | 功能描述:开关变换器、稳压器与控制器 Prog 4-Ch Step Dwn DC/DC Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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| TPS54910PWP | 制造商:Texas Instruments 功能描述:IC's |
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