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UCC3957MTR-1G4

UCC3957MTR-1G4
Mfr. #:
UCC3957MTR-1G4
Descrizione:
IC LI-ION PROTECT CIRCUIT 16SSOP
Ciclo vitale:
Nuovo da questo produttore.
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UCC3957MTR-1G4 Scheda dati
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UCC3957MTR-1G4 maggiori informazioni UCC3957MTR-1G4 Product Details
Attributo del prodotto
Valore attributo
Tags
UCC3957MT, UCC3957M, UCC3957, UCC395, UCC39, UCC3, UCC
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***ser
Battery Management 3-4-Cell Lithium-Ion Protection IC
***ark
Battery Management IC; Battery Type:Li-Ion; Package/Case:16-SSOP; No. of Pins:16; Operating Temperature Range:-20°C to +70°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes; Battery Management Case Style:SSOP ;RoHS Compliant: Yes
***as Instruments
The UCC3957 is a BiCMOS three- or four-cell lithium-ion battery pack protector designed to operate with external P-channel MOSFETs. Utilizing external P-channel MOSFETs provides the benefits of no loss-of-system ground in an overdischarge state, and protects the IC as well as battery cells from damage during an overcharge state. An internal state machine runs continuously to protect each lithium-ion cell from overcharge and overdischarge. A separate overcurrent-protection block protects the battery pack from excessive discharge currents. If any cell voltage exceeds the overvoltage threshold, the appropriate external P-channel MOSFET is turned off, preventing further charge current. An external N-channel MOSFET is required to level shift to this high-side P-channel MOSFET. Discharge current can still flow through the second P-channel MOSFET. Likewise, if any cell voltage falls below the undervoltage limit, the second P-channel MOSFET is turned off and only charge current is allowed. Such a cell-voltage condition causes the chip to go into low-power sleep mode. Attempting to charge the battery pack wakes up the chip. A cell-count pin (CLCNT) is provided to program the IC for three- or four-cell operations. A two-tiered overcurrent controller and external current shunt protect the battery pack from excessive discharge currents. If the first overcurrent threshold level is exceeded, an internal timing circuit charges an external capacitor to provide a user programmable blanking time. If at the end of the blanking time the overcurrent condition still exists, the external discharge FET is turned off for a period 17 times longer than the first blanking period, and then the discharge FET is turned back on. If at any time a second higher overcurrent threshold is exceeded for more than a user programmable time, the discharge FET is turned off, and remains off for the same period as the first tier off time. This two tiered overcurrent-protection scheme allows for charging capacitive loads while retaining effective short-circuit protection.
Parte # Descrizione Azione Prezzo
UCC3957MTR-1G4
DISTI # UCC3957MTR-1G4-ND		IC LI-ION PROTECT CIRCUIT 16SSOP
RoHS: Compliant
Min Qty: 2500
Container: Tape & Reel (TR)		Limited Supply - Call
    UCC3957MTR-1G4
    DISTI # 595-UCC3957MTR-1G4    		Battery Management 3-4-Cell Lithium-Ion Protection IC
    RoHS: Compliant    		0
      Immagine Parte # Descrizione
      UCC3957M-3

      Mfr.#: UCC3957M-3

      OMO.#: OMO-UCC3957M-3

      		 Battery Management 3-4-Cell Lithium-Ion Protection IC
      UCC3957MTR-3

      Mfr.#: UCC3957MTR-3

      OMO.#: OMO-UCC3957MTR-3

      		 Battery Management 3-, 4-Cell Lithium-Ion Protection IC W/Vov = 4.30V 16-SSOP -20 to 70
      UCC3957M-2G4

      Mfr.#: UCC3957M-2G4

      OMO.#: OMO-UCC3957M-2G4

      		 Battery Management 3-4-Cell Lithium-Ion Protection IC
      UCC3957M-2

      Mfr.#: UCC3957M-2

      OMO.#: OMO-UCC3957M-2

      		 Battery Management 3-4-Cell Lithium-Ion Protection IC
      UCC3957MTR-3

      Mfr.#: UCC3957MTR-3

      OMO.#: OMO-UCC3957MTR-3-TEXAS-INSTRUMENTS

      		 IC LI-ION PROTECT CIRCUIT 16SSOP
      UCC3957MTR-2G4

      Mfr.#: UCC3957MTR-2G4

      OMO.#: OMO-UCC3957MTR-2G4-TEXAS-INSTRUMENTS

      		 IC LI-ION PROTECT CIRCUIT 16SSOP
      UCC3957

      Mfr.#: UCC3957

      OMO.#: OMO-UCC3957-1190

      		 Nuovo e originale
      UCC3957M-2G4

      Mfr.#: UCC3957M-2G4

      OMO.#: OMO-UCC3957M-2G4-TEXAS-INSTRUMENTS

      		 IC L-I PROTECTOR CIRCUIT 16SSOP
      UCC3957M-3G4

      Mfr.#: UCC3957M-3G4

      OMO.#: OMO-UCC3957M-3G4-TEXAS-INSTRUMENTS

      		 IC L-I PROTECTOR CIRCUIT 16SSOP
      UCC3957MTR-4

      Mfr.#: UCC3957MTR-4

      OMO.#: OMO-UCC3957MTR-4-TEXAS-INSTRUMENTS

      		 IC LI-ION PROTECT CIRCUIT 16SSOP
      Disponibilità
      Azione:
      Available
      Su ordine:
      5000
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