CY8C24123

CY8C24223, CY8C24423

DC Switch Mode Pump Specifications

The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C TA 85°C, or 3.0V to 3.6V and -40°C TA 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are for design guidance only or unless otherwise specified.

Table 19. DC Switch Mode Pump (SMP) Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

VPUMP 5V

5V Output voltage

4.75

5.0

5.25

V

Average, neglecting ripple

VPUMP 3V

3V Output voltage

3.00

3.25

3.60

V

Average, neglecting ripple

IPUMP

Available Output Current

 

 

 

 

For implementation, which

 

VBAT = 1.5V, VPUMP = 3.25V

8

mA

includes 2 uH inductor, 1 uF cap,

 

VBAT = 1.8V, VPUMP = 5.0V

5

mA

and Schottky diode

VBAT5V

Input Voltage Range from Battery

1.8

5.0

V

 

VBAT3V

Input Voltage Range from Battery

1.0

3.3

V

 

VBATSTART

Minimum Input Voltage from Battery to

1.1

V

 

 

Start Pump

 

 

 

 

 

ΔVPUMP_Line

Line Regulation (over VBAT range)

5

%VOa

 

ΔVPUMP_Load

Load Regulation

5

%VOa

 

ΔVPUMP_Ripple

Output Voltage Ripple (depends on

25

mVpp

Configuration of note 2, load is

 

cap/load)

 

 

 

 

5mA

Efficiency

35

50

%

Configuration of note 2, load is

 

 

 

 

 

 

5mA, Vout is 3.25V.

FPUMP

Switching Frequency

1.3

MHz

 

DCPUMP

Switching Duty Cycle

50

%

 

a. VO is the “Vdd Value for PUMP Trip” specified by the VM[2:0] setting in the DC POR and LVD Specification, Table 23 on page 25.

Figure 11. Basic Switch Mode Pump Circuit

+

VBAT

Battery

D1

Vdd

C1

SMP

PSoCTM

Vss

Document Number: 38-12011 Rev. *G

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Cypress CY8C24223, CY8C24123, CY8C24423 manual DC Switch Mode Pump Specifications, BAT5V, BAT3V, PSoCTM

CY8C24123, CY8C24423, CY8C24223 specifications

The Cypress CY8C24223, CY8C24423, and CY8C24123 are members of the PSoC (Programmable System-on-Chip) family, which combine a microcontroller with configurable analog and digital blocks. These devices are designed for a variety of embedded applications, offering versatility and performance for developers looking to create custom solutions.

One of the standout features of the CY8C24223, CY8C24423, and CY8C24123 is their programmable analog and digital components. These include operational amplifiers, comparators, and even CapSense technology, enabling touch sensing capabilities. This flexibility allows engineers to configure the chip according to the specific needs of their application, thereby reducing the number of external components required and simplifying PCB design.

The microcontroller core in these PSoC devices is a 16-bit architecture, offering a balance between performance and power efficiency. The CY8C24223 and CY8C24423 variants include higher RAM and Flash memory options, catering to more demanding applications compared to the CY8C24123. This makes them suitable for tasks ranging from simple control operations to more complex computational processes.

A key technology utilized in these devices is the integrated programmable interconnect, which allows for easy communication between the various configurable blocks. This feature significantly speeds up the development process by enabling designers to create custom peripheral setups without the need for extensive coding.

In addition to their hardware features, Cypress provides an intuitive design environment called PSoC Creator. This IDE simplifies the process of configuring the device, allowing developers to drag and drop components into a design schematic and generate code effortlessly. PSoC Creator also includes simulation features, enabling testing and validation of designs before deployment.

The PSoC family is known for its low power consumption, which is crucial for battery-operated devices. The power management features integrated into these models allow for various operational modes, making them energy-efficient and ideal for portable applications.

In summary, the Cypress CY8C24223, CY8C24423, and CY8C24123 are powerful and flexible programmable system-on-chip solutions. With a combination of configurable analog and digital blocks, solid performance specifications, and an easy-to-use development environment, these devices stand out for engineers working on innovative embedded applications across numerous industries. Their low power consumption further enhances their appeal for modern applications, making them a strong choice for designers.