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EVAL-ADM1067LFEBZ: Super Sequencer(R) with Open-Loop Margining DACs

The ADM1067 Super Sequencer(R) is a configurable supervisory/ sequencing device that offers a single-chip solution for supply monitoring and sequencing in multiple supply systems. In addition to these functions, the ADM1067 integrates six 8-bit voltage output DACs. These circuits can be used to implement an open-loop margining system that enables supply adjustment by altering either the feedback node or reference of a dc-to-dc converter using the DAC outputs.

Supply margining can be performed with a minimum of external components. The margining capability can be used for in-circuit testing of a board during production (for example, to verify board functionality at -5% of nominal supplies), or it can be used dynamically to accurately control the output voltage of a dc-to-dc converter.

The device also provides up to 10 programmable inputs for monitoring undervoltage faults, overvoltage faults, or out-of-window faults on up to 10 supplies. In addition, 10 programmable outputs can be used as logic enables.

Six of these programmable outputs can also provide up to a 12 V output for driving the gate of an N-FET that can be placed in the path of a supply.

The logical core of the device is a sequencing engine. This state-machine-based construction provides up to 63 different states. This design enables very flexible sequencing of the outputs, based on the condition of the inputs.

The device is controlled via configuration data that can be programmed into an EEPROM. The entire configuration can be programmed using an intuitive GUI-based software package provided by Analog Devices, Inc.

Applications
EVAL-ADM1067LFEBZ 特点
10 programmable output drivers (PDO1 to PDO10) Sequencing engine (SE) implements state machine control of PDO outputs
EVAL-ADM1067LFEBZ 功能框图

ADM1067 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
ADM1067ACP 量产 40 ld LFCSP (6x6mm w.4.1mm pad) 40 工业
ADM1067ACP-REEL 量产 40 ld LFCSP (6x6mm w.4.1mm pad) 40 工业
ADM1067ACP-REEL7 量产 40 ld LFCSP (6x6mm w.4.1mm pad) 40 工业
ADM1067ACPZ 量产 40 ld LFCSP (6x6mm w.4.1mm pad) 40 工业
ADM1067ASUZ 量产 48 ld TQFP (7x7mm) 48 工业
EVAL-ADM1067LFEBZ 量产 评估板 - 待定
EVAL-ADM1067TQEBZ 量产 评估板 - 待定
EVAL-ADM1067LFEBZ 应用技术支持与电子电路设计开发资源下载
  1. ADM1067 数据手册DataSheet 下载 . PDF
  2. ADI 模拟器件公司比较器产品选型指南 . PDF
  3. Analog Devices, Inc. 美国模拟器件公司产品订购手册 .PDF
  4. 电压监测及序列分析
  5. 40年的模拟领导不为电源管理IC