UCC3957MTR-1

Mfr. #:: UCC3957MTR-1
描述:: IC LI-ION PROTECT CIRCUIT 16SSOP
生命週期:: 製造商新產品
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更多信息:: UCC3957MTR-1 更多信息 UCC3957MTR-1 Product Details

產品屬性
屬性值

製造商: 德州儀器

產品分類: PMIC - 電池管理

系列: -

打包: 捲帶 (TR)

包裝盒: 16-SSOP (0.154", 3.90mm Width)

工作溫度: -20°C ~ 70°C (TA)

電池化學: 鋰離子

細胞數

功能: 電池保護

界面: -

供應商-設備-包: 16-SSOP

故障保護: 過流、過壓/欠壓

圖號: 296; 4073301-2; DBQ; 16

Tags: UCC3957MT, UCC3957M, UCC3957, UCC395, UCC39, UCC3, UCC

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
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Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

UCC3957MTR-1 描述

***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; Peak Reflow Compatible (260 C):No; Battery Management Case Style:SSOP; Battery Protection:Over Current ;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.

Market price

型號	描述	庫存	價格
UCC3957MTR-1 DISTI # UCC3957MTR-1-ND	IC LI-ION PROTECT CIRCUIT 16SSOP RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Limited Supply - Call
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-1 DISTI # 595-UCC3957MTR-1	Battery Management 3-4-Cell Lithium-Ion Protection IC RoHS: Compliant	0
UCC3957MTR-1G4 DISTI # 595-UCC3957MTR-1G4	Battery Management 3-4-Cell Lithium-Ion Protection IC RoHS: Compliant	0
UCC3957MTR-1	Power Supply Support Circuit, Fixed, 4 Channel, BICMOS, PDSO16 RoHS: Compliant	2500	1000:$2.0400 500:$2.1500 100:$2.2400 25:$2.3300 1:$2.5100

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