TI's NexFET™ N-channel power MOSFETs achieve industry's lowest resistance

Lowest Rdson 25-V and 30-V devices in 5 mm by 6 mm QFN package

DALLAS, Jan. 19, 2015 — (PRNewswire) —  Texas Instruments (TI) (NASDAQ: TXN) today introduced 11 new N-channel power MOSFETs to its NexFET™ product line, including the 25-V CSD16570Q5B and 30-V CSD17570Q5B for hot swap and ORing applications with the industry's lowest on-resistance (Rdson) in a QFN package. In addition, TI's new 12-V FemtoFET™ CSD13383F4 for low-voltage battery-powered applications achieves the lowest resistance at 84-percent below competitive devices in a tiny 0.6 mm by 1 mm package. For more information, samples or a reference design, visit www.ti.com/csd16570q5b-pr.

11 new NexFET(TM) N-channel power MOSFETs from TI include the 25-V CSD16570Q5B and 30-V CSD17570Q5B for hot swap and ORing applications with the industry's lowest on-resistance (Rdson) in a QFN package. In addition, the 12-V FemtoFET(TM) CSD13383F4 for low-voltage battery-powered applications achieves the lowest resistance at 84-percent below competitive devices in a tiny 0.6 mm by 1 mm package.

The CSD16570Q5B and CSD17570Q5B NexFET MOSFETs deliver higher power conversion efficiencies at higher currents, while ensuring safe operation in computer server and telecom applications. For instance, the 25-V CSD16570Q5B supports a maximum of 0.59 milliohms of Rdson, while the 30-V CSD17570Q5B achieves a maximum of 0.69 milliohms of Rdson. Read a blog, " Power MOSFET safe operating area (SOA) curves for designing with hot-swap and ORing FET controllers."  Download a 12-V, 60-A hot swap reference design featuring TI's CSD17570Q5B NexFET.

TI's new CSD17573Q5B and CSD17577Q5A can be paired with the LM27403 for DC/DC controller applications to form a complete synchronous buck converter solution. The CSD16570Q5B and CSD17570Q5B NexFET power MOSFETs can be paired with a TI hot swap controller such as the TPS24720. Download the application note " Robust Hot Swap Designs" to understand how a transistor is selected as a pass element and how to ensure safe operation under all possible conditions.

New NexFET products and key features

Part Number

Application

Vds/Vgs

Package (mm)

Rdson max (mohm)

Qg (4.5) (nC)

4.5V

10V

CSD16570Q5B

ORing/Hot Swap

25/20

QFN 5x6 (Q5B)

0.82

0.59

95

CSD17570Q5B

30/20

0.92

0.69

93

CSD17573Q5B

Low Side Buck/
ORing/Hot Swap

30/20

QFN 5x6 (Q5B)

1.45

1.0

49

CSD17575Q3

Low Side Buck

30/20

QFN 3.3x3.3 (Q3)

3.2

2.3

23

CSD17576Q5B

QFN 5x6 (Q5B)

2.9

2.0

25

CSD17577Q5A

High Side Buck

30/20

QFN 5x6 (Q5A)

5.8

4.2

13

CSD17577Q3A

QFN 3.3x3.3 (Q3A)

6.4

4.8

13

CSD17578Q3A

9.4

7.3

7.9

CSD17579Q3A

14.2

10.2

5.3

CSD85301Q2

Dual Independent FET

20/10

QFN 2x2 (Q2)

27

N/A

4.2

CSD13383F4

Load Switch

12/10

FemtoFET 0.6x1.0 (0402)

44

N/A

2.0


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