TPS2306DW

更新时间： 2024-11-14 13:14:51

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28页	408K
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TPS2306DW 数据手册

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SLVS368 – APRIL 2001

DW PACKAGE

TOP VIEW

Wide Input Operating Range (2.75 V to

13.6 V)

Controls Ramp-Up Sequence and Slope,

and Ramp-Down Sequence

IMAX1

UP1

VCC/CS1

DOWN1

GATE1

FAULT

CPUMP

GATE2

DOWN2

CS2

Controls Inrush Current

ENBL

IREF

Precise Linear Current Amplifier for High

Efficiency and Low Voltage Drop

Programmable Overcurrent Threshold

GND

UP2

Programmable Soft-Start Capability and

Fault Timer

IMAX2

Internal Charge Pump Drives Low-Cost

External NMOS Devices

Cascadable for Three or More Supplies

Fault Indicator Output

Direct-drive of Bus Switch

Shutdown Control with Low-Current Sleep

Mode (40 µA)

Input Undervoltage Lockout

16-pin SOIC package

The TPS2306 Hot Swap Power Manager (HSPM) IC provides hot-swap control, fault handling and power supply

sequencing of two positive voltage supplies. The TPS2306 operates over a wide supply range allowing single

part inventory for a variety of output voltages.

During the transient period of a live insertion or hot-swap event, the TPS2306 actively limits the inrush current

to the plug-in module. An on-chip linear current amplifier (LCA) provides closed-loop control of the current

sourced to the load circuitry on the module. Subsequently, during normal steady-state loading conditions and

in conjunction with an internal high-voltage charge pump, the LCA provides direct gate drive to fully enhance

the external NMOS pass devices. In addition, the < 4-mV input offset voltage of the LCA allows for the use of

low-value sense resistors. Together, these features minimize the insertion loss across the hot-swap interface.

Control inputs allow the designer to program the maximum current level and the inrush current profile (slew rate)

during start-up. Direct programming of the fault time-out also allows the user to establish how long the HSPM

can operate in the current control mode prior to turning off the pass elements. The high degree of user

programmability allows the TPS2306 to be configured for the specific load and bulk capacitance charging

requirements of the target system.

A second level of power bus protection is provided in the form of fast overcurrent comparators monitoring the

load current levels of the two channels. Should a short-circuit event’s edge rate ever exceed the slew rate of

the LCA, the overcurrent comparator immediately latches off the external NMOS devices, overriding the timeout

period. The overcurrent threshold is also user-programmable.

Supply sequencing control is provided via four comparator inputs to independently control the ramp-up and

ramp-down of each supply output (see Figure 1). The TPS2306 also provides a TTL and CMOS compatible

enable input for external control of the supply outputs, and a low-power sleep mode. Also, the open-drain FAULT

output provides single-line fault reporting to the system host for the two monitored supplies.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

QuickSwitch is a registered trademark of Integrated Device Technology, Inc.

Widebust is a trademark of Texas Instruments Incorporated.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...28

中文翻译

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TPS2306DW 替代型号

型号	品牌	替代类型	描述	数据表
TPS2300IPWR	TI	功能相似	DUAL HOT-SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTING
TPS2300IPWG4	TI	功能相似	DUAL HOT-SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTING
TPS2300IPW	TI	功能相似	DUAL HOT-SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTING

与TPS2306DW相关器件

型号	品牌	获取价格	描述	数据表
TPS2306DWG4	TI	获取价格	2.75-13.6V Dual Sequencing HotSwap IC 16-SOIC -40 to 85
TPS2310	TI	获取价格	DUAL HOT SWAP POWER CONTROLLER WITH INTERDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTIN
TPS2310_15	TI	获取价格	DUAL HOT-SWAP POWER CONTROLLERS WITH INTERDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTI
TPS2310IPW	TI	获取价格	DUAL HOT SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER
TPS2310IPWG4	TI	获取价格	DUAL HOT-SWAP POWER CONTROLLERS WITH INTERDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTI
TPS2310IPWR	TI	获取价格	3-13V Dual HotSwap IC w/ Inter-dependent Channel Circuit Breaking & Pwr Good Repor
TPS2310IPWR	ROCHESTER	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20, GREEN, PLASTIC, TSSOP-20
TPS2310IPWRG4	TI	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20, GREEN, PLASTIC, TSSOP-20
TPS2310PW	TI	获取价格	DUAL HOT SWAP POWER CONTROLLER WITH INTERDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTIN
TPS2311	TI	获取价格	DUAL HOT SWAP POWER CONTROLLER WITH INTERDEPENDENT CIRCUIT BREAKER AND POWER-GOOD REPORTIN

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