位置:TPS546B24SRVFR > TPS546B24SRVFR详情
TPS546B24SRVFR中文资料
TPS546B24SRVFR数据手册规格书PDF详情
1 Features
• Integrated extended security feature
• Split rail support: 2.95-V to 18-V PVIN; 2.95-V to
18-V AVIN (4-VIN VDD5 for switching)
• Integrated 5.5-mΩ/1.8-mΩ MOSFETs
• Average current mode control with selectable
internal compensation
• 2 ×, 3 ×, 4 × stackable with current sharing up to
80 A, supporting a single address per output
• Selectable 0.5-V to 5.5-V output through
pin strap or 0.25-V to 5.5-V using PMBus
VOUT_COMMAND
• Extensive PMBus command set with telemetry for
VOUT, IOUT, and internal die temperature
• Differential remote sensing with an internal FB
divider for < 1 VOUT error, –40°C to +150°C TJ
• AVS and margining capabilities through PMBus
• MSEL pins pin programming PMBus defaults
• 12 selectable switching frequencies from 225 kHz
to 1.5 MHz (8 pin strap options)
• Frequency sync in, sync out
• Supports prebiased output
• 7-mm × 5-mm × 1.5-mm, 40-pin QFN
• Drop-in compatible with TPS546B24A
• Create a Custom Design Using the TPS546B24S
with WEBENCH® Power Designer
2 Applications
• Data center switches, rack servers
• Active antenna system, remote radio and
baseband unit
• Automated test equipment, CT, PET, and MRI
• ASIC, SoC, FPGA, DSP core, and I/O voltage
3 Description
The TPS546B24S is a highly integrated, non-isolated
DC/DC converter that expands on the TPS546B24A
by adding manufacturer-specific PMBus commands
and Extended Write Protect and Passkey. This feature
improves security against malicious access to the
PMBus by restricting Write capability with greater
resolution than the standard Write Protect command.
TPS546B24S is capable of high frequency operation
and 20-A current output from a 7-mm × 5-mm
package. Two, three, and four TPS546B24S devices
can be interconnected to provide up to 80 A on a
single output. The device has an option to overdrive
the internal 5-V LDO with an external 5-V supply
through the VDD5 pin to improve efficiency and
reduce power dissipation of the converter.
The TPS546B24S uses a proprietary fixed-frequency
current-mode control with input feedforward and
selectable internal compensation components for
minimal size and stability over a wide range of output
capacitances.
The PMBus® interface with 1-MHz clock support
gives a convenient, standardized digital interface for
converter configuration as well as monitoring of key
parameters including output voltage, output current,
and internal die temperature. Response to fault
conditions can be set to restart, latch off, or ignore,
depending on system requirements. Back-channel
communication between stacked devices enables all
TPS546B24S converters powering a single output rail
to share a single address to simplify system software/
firmware design. Key parameters including output
voltage, switching frequency, soft-start time, and
overcurrent fault limits can also be configured through
BOM selection without PMBus communication to
support program free power up.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
23+ |
6000 |
现货 有价可谈 |
|||||
TI德州仪器 |
22+ |
24000 |
原装正品现货,实单可谈,量大价优 |
||||
N/A |
99 |
||||||
TI |
2018+ |
SMD |
15600 |
电源管理IC开发工具 |
|||
TI |
22+ |
NA |
500000 |
万三科技,秉承原装,购芯无忧 |
|||
TEXAS INSTRUMENTS |
23+ |
NA |
9600 |
全新原装正品!一手货源价格优势! |
|||
TI |
24+ |
开发板 |
20000 |
绝对原装现货 |
|||
TI/德州仪器 |
23+ |
8355 |
只做原装现货/实单可谈/支持含税拆样 |
||||
TI |
21+ |
LQFN-CL |
12588 |
原装正品,自己库存 假一罚十 |
|||
TI |
三年内 |
1983 |
纳立只做原装正品13590203865 |
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Texas Instruments(TI) 德州仪器 (TI)
德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。德州仪器是推动互联网时代不断发展的半导体引擎,作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,凭借性能卓越的半导体解决方案不断推动着互联网时代的前进步伐。TI预想未来世界的方方面面都渗透着TI产品的点点滴滴,每个电话、每次上网、拍的每张照片、听的每