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| 型号： | ZL2004ALNNT1 |
| 厂商： | Intersil |
| 文件页数： | 37/42页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK SYNC ADJ 32QFN |
| 标准包装： | 1,000 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | * |
| 占空比： | 95% |
| 电源电压： | 4.5 V ~ 14 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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ZL2004
The device can also be monitored continuously for any
number of power conversion parameters including but
not limited to the following:
ZL
XTEMP
100pF
2N3904
Input voltage
Output voltage
Output current
SGND
Discrete NPN
Internal junction temperature
XTEMP
μP
Temperature of an external device
Switching frequency
ZL
SGND
100pF
FPGA
DSP
ASIC
Duty cycle
The PMBus Host should respond to SALRT as
follows:
1. ZL device pulls SALRT Low.
2. PMBus Host detects that SALRT is now low,
performs transmission with Alert Response
Address to find which ZL device is pulling
SALRT low
3. PMBus Host talks to the ZL device that has
pulled SALRT low. The actions that the host
performs are up to the System Designer.
If multiple devices are faulting, SALRT will still be
low after doing the above steps and will require
Embedded Thermal Diode
Figure 21. External Temperature Monitoring
6.19 Snapshot ? Paramet er Capture
The ZL2004 offers a special mechanism that enables
the user to capture parametric data during normal
operation or following a fault. The Snapshot
functionality is enabled by setting bit 1 of
MISC_CONFIG to 1.
The Snapshot feature enables the user to read the
parameters listed in Table 25 via a block read transfer
transmission with the Alert Response
Address
through the SMBus. This can be done during normal
repeatedly until all faults are cleared.
Please refer to Application Note AN33 for details on
how to monitor specific parameters via the I 2 C/SMBus
interface.
6.18 Temperature Monitoring Using the XTEMP Pin
The ZL2004 supports measurement of an external
device temperature using either a thermal diode
integrated in a processor, FPGA or ASIC, or using a
discrete diode-connected 2N3904 NPN transistor.
37
operation, although it should be noted that reading the
22 bytes will occupy the SMBus for some time.
The SNAPSHOT_CONTROL command enables the
user to store the snapshot parameters to Flash memory
in response to a pending fault as well as to read the
stored data from Flash memory after a fault has
occurred. Table 26 describes the usage of this
command. Automatic writes to Flash memory
following a fault are triggered when any fault threshold
level is exceeded, provided that the specific fault’s
response is to shut down (writing to Flash memory is
not allowed if the device is configured to re-try
following the specific fault condition).
FN6846.3
February 15, 2011
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZL2004ALNNT1-01 | 功能描述:IC REG CTRLR BUCK SYNC ADJ 32QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:100% 电源电压:8.2 V ~ 30 V 降压:无 升压:无 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:0°C ~ 70°C 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 产品目录页面:1316 (CN2011-ZH PDF) |
| ZL2004EVK1 | 功能描述:KIT EVAL FOR ZL2004 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:* 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| ZL2005 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Digital-DC? Integrated Power Management and Conversion IC |
| ZL2005ALNF | 制造商:Intersil Corporation 功能描述:DIGITAL DC-DC CONTROLLER W/ DRIVERS - TRAY100 - Trays 制造商:Intersil Corporation 功能描述:IC REG CNTRLR BUCK PWM 36-QFN 制造商:Intersil Corporation 功能描述:Digital DC-DC Controller w/ Drivers - BULK 50 |
| ZL2005ALNFT | 功能描述:电压模式 PWM 控制器 DIGTL DC-DC CNTRLR W/DRVRS TR100 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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