TDK 73M2901/5V Oscillator PIN Description PIN Name, Digital Interface PIN Description PIN Name

Page 4

73M2901/5V Advanced Single Chip Modem

PIN DESCRIPTIONS (continued)

OSCILLATOR PIN DESCRIPTION

PIN NAME

32-PIN

44-PIN

TYPE

DESCRIPTION

 

 

 

 

 

OSCIN

24

26

I

Crystal input for internal oscillator, also input for external

 

 

 

 

source.

 

 

 

 

 

OSCOUT

23

25

O

Crystal oscillator output.

 

 

 

 

 

DIGITAL INTERFACE PIN DESCRIPTION

 

 

 

 

PIN NAME

32-PIN

44-PIN

TYPE

DESCRIPTION

 

 

 

 

 

RESET

13

9

I

Resets 73M2901/5V

 

 

 

 

 

RXCLK

31

36

O

Receive Data Synchronous Clock

 

 

 

 

 

RXD

30

35

O

Serial output to DTE.

 

 

 

 

 

TXCLK

28

31

O

Transmit Data Synchronous Clock

 

 

 

 

 

TXD

27

30

I

Serial data input from DTE.

 

 

 

 

 

USR10

12

8

I/O

This pin can optionally be configured as an active low detect

 

 

 

 

pin. This can be used to implement such functions as “parallel-

 

 

 

 

pick-up”, “line-in-use”, or “seize” detect.

 

 

 

 

 

USR11

11

7

I/O

Programmable I/O port. This pin can ooptionnaly be used to

 

 

 

 

control an external switch for Caller ID decoding operations.

 

 

 

 

 

RTS (USR12)

10

6

I

Request to Send

 

 

 

 

 

CTS (USR13)

9

5

O

Clear to Send

 

 

 

 

 

DSR (USR14)

8

4

O

Data Set Ready

 

 

 

 

 

DCD (USR15)

7

3

O

Data Carrier Detect

 

 

 

 

 

RI (USR16)

4

43

O

Ring Indicator

 

 

 

 

 

RELAY (USR17)

3

40

O

Relay driver output

 

 

 

 

 

4

Image 4
Contents Features Block DiagramTDK Semiconductor Corp DescriptionHardware Description PIN Descriptions Oscillator PIN Description PIN Name Digital Interface PIN Description PIN NameElectrical Specifications Absolute Maximum RatingsParameter Rating Recommended Operating Conditions Parameter RatingElectrical Specifications Maximum Transmit LevelsReceiver Parameter Conditions MIN NOM MAX Unit Parameter Test Condition MIN NOM MAX Units DC Characteristics Parameter Condition MIN NOM MAX Unit 5V OperationsFirmware Requirements Firmware Features Firmware DESCRIPTION2Modem Performance Characteristics Design ConsiderationsRecommended Schematics Arrangement Typical USA Application Schematics 22bis 3002A Line, 5.0V, 25C BER VS SNRPIN Plcc PIN-OUT PIN Name PIN Tqfp PIN-OUT PIN NameMechanical Drawings Mechanical Drawings Pin Tqfp Jedec Lqfp Package PIN Designations Ordering InformationPart Description Order Number Packaging Mark 73M2901/5V

73M2901/5V specifications

The TDK 73M2901/5V is a compact and versatile power management IC designed for a wide array of applications, particularly in portable electronic devices. This chip is part of TDK's extensive lineup of power management solutions, showcasing advanced technologies and features that cater to the evolving needs of modern electronics.

One of the standout characteristics of the TDK 73M2901/5V is its ability to support a broad input voltage range. This flexibility allows the device to operate efficiently with various power supply configurations, making it suitable for battery-operated devices, USB-powered systems, and more. Its robust design ensures that it can maintain stable performance even under fluctuating voltage conditions, a critical attribute for portable applications.

The 73M2901/5V integrates several key power management features, including voltage regulation, power distribution, and battery management functionalities. The integrated voltage regulator provides precise output voltage control, helping to preserve battery life by managing power consumption effectively. This feature is particularly essential for devices that rely on rechargeable batteries, as it enhances overall efficiency and prolongs usage times between charges.

In addition to voltage regulation, the TDK 73M2901/5V boasts advanced power distribution capabilities. The chip can intelligently manage power routing among multiple components within a device, ensuring optimal performance without unnecessary power loss. This is crucial for devices that incorporate various subsystems, needing coordinated power management to function seamlessly.

Furthermore, the 73M2901/5V includes built-in battery management capabilities that facilitate safe charging and discharging processes. This feature not only guards against overcharging and overheating but also extends the lifespan of lithium-ion and lithium-polymer batteries commonly found in consumer devices.

From a technological standpoint, the TDK 73M2901/5V utilizes cutting-edge semiconductor processes that enhance its efficiency and thermal performance. This results in reduced heat generation, allowing for compact designs without the risk of overheating. The chip is also designed for low quiescent current, which minimizes power draw during standby or idle states, further enhancing energy efficiency.

Overall, the TDK 73M2901/5V is a highly capable power management IC that combines robustness, efficiency, and advanced features. Its adaptability to various power configurations, integrated management capabilities, and modern semiconductor technologies make it an ideal choice for developers seeking reliable solutions for their portable electronic designs. As technology continues to advance, solutions like the TDK 73M2901/5V will play an increasingly vital role in powering the next generation of electronic devices.