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参数资料
| 型号： | DS2720CU/T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | MICRO, SOP-8 |
| 文件页数： | 1/21页 |
| 文件大小： | 264K |
| 代理商： | DS2720CU/T&R |
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FEATURES
§ Rechargeable Lithium-Ion (Li+) Safety
Circuit
- Overvoltage Protection
- Overcurrent/Short-Circuit Protection
- Undervoltage Protection
- Overtemperature Protection
§ Controls High-Side N-Channel Power
MOSFETs Driven from 9V Charge Pump
§ System Power Management and Control
Feature Support
§ Eight Bytes of Lockable EEPROM
§ Dallas 1-Wire
Interface with Unique 64-Bit
Device Address
§ 8-Pin mSOP Package
§ Low Power Consumption:
- Active Current:
12.5
mA typ
- Sleep Current:
1.5
mA typ
PIN CONFIGURATION
PIN DESCRIPTION
PLS - Battery-Pack Positive Terminal Input
PS
- Power-Switch Sense Input
DQ - Data Input/Output
VSS - Device Ground
VDD - Power-Supply Input
CP - Reservoir Capacitor
CC - Charge Control Output
DC - Discharge Control Output
DESCRIPTION
The DS2720 single-cell rechargeable Li+ protection IC provides electronic safety functions required for
rechargeable Li+ applications including protecting the battery during charge, protection of the circuit
from damage during periods of excess current flow and maximization of battery life by limiting the level
of cell depletion. Protection is facilitated by electronically disconnecting the charge and discharge
conduction path with switching devices such as low-cost N-channel power MOSFETs.
Since the DS2720 provides high-side drive to external N-channel protection MOSFETs from a 9V charge
pump, superior on-resistance performance results compared to common low-side protector circuits using
the same FETs. The FET on-resistance actually decreases as the battery discharges.
Adding to the uniqueness of the DS2720 is the ability of the system to control the FETs from either the
data interface or a dedicated input thereby eliminating the power-switch control redundancy of
rechargeable Li+ battery systems.
Through its 1-Wire interface, the DS2720 gives the host system read/write access to status and control
registers, instrumentation registers, and general-purpose data storage. Each device has a factory-
programmed 64-bit net address that allows it to be individually addressed by the host system.
DS2720U
mSOP
PS
3
2
1
45
6
7
8
PLS
DQ
VSS
VDD
CC
DC
CP
DS2720
Efficient, Addressable Single-Cell
Rechargeable Lithium Protection IC
www.maxim-ic.com
1-Wire is a registered trademark of Dallas Semiconductor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2720K | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Li+ Battery Protector Evaluation Kit |
| DS2722-F-03 | 制造商:MICRO-LINEAR 制造商全称:MICRO-LINEAR 功能描述:900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet |
| DS2722-F-04 | 制造商:MICRO-LINEAR 制造商全称:MICRO-LINEAR 功能描述:900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet |
| DS2722-F-05 | 制造商:MICRO-LINEAR 制造商全称:MICRO-LINEAR 功能描述:900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet |
| DS2725EVKIT+ | 制造商:Maxim Integrated Products 功能描述:DS2725 EVAL KIT - Boxed Product (Development Kits) |
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