TPS25946

Name: TPS25946
Brand: TI
SKU: TPS25946
Price: 0.44 USD

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eFuse, 2,7 bis 23 V, 5,5 A, 28 mΩ, mit bidirektionaler Stromunterstützung

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Datenblatt

document-pdfAcrobat TPS25946xx 2.7-V–23-V, 5.5-A, 28-mΩ eFuse with Bidirectional Current Support datasheet (Rev. B) (Englisch) PDF | HTML

TPS25946

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Datenblatt

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Produktdetails

FET

Internal

Ron (typ) (mΩ)

28.3

Vin (min) (V)

2.7

Vin (max) (V)

23

Vabsmax_cont (V)

28

Current limit (min) (A)

0.5

Current limit (max) (A)

6

Overcurrent response

Circuit breaker, current limiting

Soft start

Adjustable

Overvoltage response

Cut-off

UL recognition

IEC62368, UL2367

Rating

Catalog

Device type

eFuses and hot swap controllers

Operating temperature range (°C)

-40 to 125

Quiescent current (Iq) (typ) (A)

0.0058

Quiescent current (Iq) (max) (A)

0.008

FET

Internal

Ron (typ) (mΩ)

28.3

Vin (min) (V)

2.7

Vin (max) (V)

23

Vabsmax_cont (V)

28

Current limit (min) (A)

0.5

Current limit (max) (A)

6

Overcurrent response

Circuit breaker, current limiting

Soft start

Adjustable

Overvoltage response

Cut-off

UL recognition

IEC62368, UL2367

Rating

Catalog

Device type

eFuses and hot swap controllers

Operating temperature range (°C)

-40 to 125

Quiescent current (Iq) (typ) (A)

0.0058

Quiescent current (Iq) (max) (A)

0.008

VQFN-HR (RPW)

10

4 mm² 2 x 2

Wide operating input voltage range: 2.7 V to 23 V
- 28-V absolute maximum
Integrated back-to-back FETs with low on-resistance: R_ON = 28.3 mΩ (typ.)
- Bi-directional current flow during ON state
- Reverse current blocking during OFF state
Fast overvoltage protection
- Adjustable Overvoltage Lockout (OVLO) with 1.2-µs (typ.) response time
Overcurrent protection in forward direction with load current monitor output (ILM)
- Active current limit response
- Adjustable threshold (I_LIM): 0.5 A to 6 A
  - ±10% accuracy for I_LIM > 1 A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × I_LIM
- Output load current monitor accuracy: ±6% (I_OUT ≥ 1 A)
Fast-trip response for short-circuit protection on OUT pin
- 500-ns (typ.) response time
- Adjustable (2 × I_LIM) and fixed thresholds
Active high enable input with adjustable Undervoltage Lockout threshold (UVLO)
Adjustable output slew rate control (dVdt)
Overtemperature protection
Digital indication options:
- Power Good indication (PG) with adjustable threshold (PGTH) or
- Supply Good (SPLYGD) and Fault (FLT) indications
UL 2367 recognition
- File No. E339631
- R_ILM ≥ 549 Ω
IEC 62368-1 CB certified
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch

Wide operating input voltage range: 2.7 V to 23 V
- 28-V absolute maximum
Integrated back-to-back FETs with low on-resistance: R_ON = 28.3 mΩ (typ.)
- Bi-directional current flow during ON state
- Reverse current blocking during OFF state
Fast overvoltage protection
- Adjustable Overvoltage Lockout (OVLO) with 1.2-µs (typ.) response time
Overcurrent protection in forward direction with load current monitor output (ILM)
- Active current limit response
- Adjustable threshold (I_LIM): 0.5 A to 6 A
  - ±10% accuracy for I_LIM > 1 A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × I_LIM
- Output load current monitor accuracy: ±6% (I_OUT ≥ 1 A)
Fast-trip response for short-circuit protection on OUT pin
- 500-ns (typ.) response time
- Adjustable (2 × I_LIM) and fixed thresholds
Active high enable input with adjustable Undervoltage Lockout threshold (UVLO)
Adjustable output slew rate control (dVdt)
Overtemperature protection
Digital indication options:
- Power Good indication (PG) with adjustable threshold (PGTH) or
- Supply Good (SPLYGD) and Fault (FLT) indications
UL 2367 recognition
- File No. E339631
- R_ILM ≥ 549 Ω
IEC 62368-1 CB certified
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch

The TPS25946xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short-circuits, voltage surges and excessive inrush current. With integrated back-to-back FETs, the device allows bi-directional current flow during ON state, while blocking current flow in both directions during OFF state, making it well suited for USB OTG (On-The-Go) applications.

Output slew rate and inrush current can be adjusted using a single external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current. The output current limit threshold as well as the transient overcurrent blanking timer are user adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2-mm × 2-mm, 10-pin HotRod QFN package for improved thermal performance and reduced system footprint.

The devices are characterized for operation over a junction temperature range of –40°C to +125°C.

The TPS25946xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short-circuits, voltage surges and excessive inrush current. With integrated back-to-back FETs, the device allows bi-directional current flow during ON state, while blocking current flow in both directions during OFF state, making it well suited for USB OTG (On-The-Go) applications.

Output slew rate and inrush current can be adjusted using a single external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current. The output current limit threshold as well as the transient overcurrent blanking timer are user adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2-mm × 2-mm, 10-pin HotRod QFN package for improved thermal performance and reduced system footprint.

The devices are characterized for operation over a junction temperature range of –40°C to +125°C.

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Alle anzeigen 5

	Typ	Titel		Datum
*	Data sheet	TPS25946xx 2.7-V–23-V, 5.5-A, 28-mΩ eFuse with Bidirectional Current Support datasheet (Rev. B)	PDF \| HTML	04 Apr 2022
	Certificate	TPS25946x UL2367 Certificate of Compliance E339631		24 Jan 2022
	Certificate	TPS25946x CB Test Certificate IEC 62368-1		19 Jan 2022
	Certificate	TPS25946x UL2367 Certificate of Compliance E169910		19 Jan 2022
	EVM User's guide	TPS25946EVM: Evaluation Module for TPS25946 eFuse (Rev. A)	PDF \| HTML	27 Aug 2021

Design und Entwicklung

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TPS25946

eFuse, 2,7 bis 23 V, 5,5 A, 28 mΩ, mit bidirektionaler Stromunterstützung

TPS25946

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