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Analog Devices Inc./Maxim Integrated MAX14600ETA+GH7
- Part No.:
- MAX14600ETA+GH7
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Specialized
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- Datasheet:
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MAX14600ETA+GH7.pdf
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Product details
Overview
The MAX14600ETA+GH7 from Maxim Integrated is a third-generation USB 2.0 host charger identification and adapter emulator IC that integrates Hi-Speed analog switches with CDP/SDP/DCP charging mode emulation. It supports pass-through and auto modes, delivers 3.5Ω typical on-resistance and 4.0pF typical on-capacitance for USB 2.0 signal integrity, and operates across –40°C to +85°C in an 8-pin 2mm × 2mm TDFN package. It enables laptop and desktop USB hosts to identify and negotiate charging with Apple, BC 1.2, and YD/T1591-2009-compliant devices.
For engineers reviewing the MAX14600ETA+GH7 datasheet, MAX14600ETA+GH7 pinout, MAX14600ETA+GH7 application, or MAX14600ETA+GH7 equivalent, key selection criteria include CDP emulation capability in S0 state, VBUS toggle timing (1–3s), pMOSFET open-drain CEN output behavior, USB 2.0 Hi-Speed switch performance (1GHz –3dB bandwidth), and support for remote wake-up in standby (S3/S4/S5) - all confirmed for this exact variant.
Technical Context
The MAX14600ETA+GH7 implements a dual-mode control architecture using CB0 and CB1 inputs to select among autodetection charger mode (AM), forced dedicated charger mode (FM), USB pass-through mode (PM), and CDP-emulating pass-through mode (CM). Its internal resistor-divider network (RP1/RP2 = 1.4–1.55× ratio, RPD = 320–730kΩ) provides Apple-compliant D+/D− biasing without external components.
It features a low-leakage analog switch path (±250nA off-leakage, ±250nA on-leakage at 3.6V), precise comparator thresholds (VDM1F = 40–42% VCC, VDPR = 45–47% VCC), and automatic DP/DM shorting logic triggered by voltage excursions beyond 2.05V on DM or 2.3V on DP - enabling reliable DCP detection during standby.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.0V to 5.5V - supports standard 3.3V and 5V USB host rails; Apple compliance requires 4.75–5.25V |
| On-Resistance (TDP/TDM) | 3.5Ω (typ) - ensures minimal insertion loss and signal distortion for USB 2.0 high-speed data paths |
| On-Capacitance (DP/DM) | 4.0–5.5pF (typ) - preserves USB 2.0 eye diagram integrity up to 480Mbps |
| –3dB Bandwidth | 1000MHz - fully supports USB 2.0 Hi-Speed signaling without attenuation |
| VBUS Toggle Time | 1–3s - provides standardized reset pulse to restart peripherals during host power-state transitions |
| Operating Temperature | –40°C to +85°C - qualified for industrial and computing environments including laptops and hubs |
| ESD Protection | ±2kV HBM - protects against handling and assembly electrostatic discharge events |
Pinout & Package
MAX14600ETA+GH7 is housed in an 8-pin, 2mm × 2mm TDFN-EP package with exposed pad (EP) for thermal dissipation. Pin 1 is CEN (active-low pMOSFET open-drain output); pins 2 and 3 are DM and DP (USB A connector signals); pins 4 and 8 are CB1 and CB0 (mode control bits); pin 5 is VCC; pins 6 and 7 are TDP and TDM (host transceiver connections).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CEN | pMOSFET open-drain output | Generates 2s typ pulse on CB0 edge to reset peripheral via VBUS toggle; active-low, sinks current when asserted |
| DM / DP | USB downstream data lines | Connect directly to USB A connector; support 0–6V signal swing independent of VCC |
| TDM / TDP | Host transceiver data lines | Interface with USB PHY; routed through low-RON/low-CON analog switch |
| CB0 / CB1 | Digital mode control inputs | Select AM/FM/PM/CM states per Table 1; VIH = 1.4V min, VIL = 0.4V max |
| VCC | Power supply input | Requires local 0.1µF decoupling; supplies internal logic, comparators, and switch bias |
| EP | Exposed thermal pad | Mandatory ground connection for thermal management; improves θJA to 84°C/W |
Key Features
| Feature | Design Value |
|---|---|
| USB Battery Charging Rev 1.2 Compliance | Fully meets BC 1.2 specification for CDP/SDP/DCP detection and enumeration-free 1.5A charging in S0/S3 states |
| Apple Charging Compatibility | Internal resistor-divider (RP1/RP2 ratio 1.4–1.55×, RPD 320–730kΩ) satisfies YD/T1591-2009 and Apple dock requirements |
| Auto Peripheral Reset | CEN output delivers precise 1–3s VBUS toggle pulse on CB0 transition, enabling reliable peripheral re-enumeration after host sleep/wake |
| Data Contact Detect Support | Shorts DP/DM automatically upon USB 1.2-compliant device attachment, ensuring deterministic charger handshake before charging begins |
| Low-Power Standby Operation | Draws only 4–20µA in PM mode (CB0=VCC, CB1=0V), enabling always-on USB port charging without system wake |
Applications
| Laptop USB Charging Port | Desktop USB Hub Charging |
|---|---|
Use Scenario: A Windows laptop detects and charges an iPhone or Android phone while in S3 suspend state without waking the CPU. IC Role / Device Role / Timing Role: MAX14600ETA+GH7 emulates DCP during S3/S4/S5 and asserts CEN to toggle VBUS, triggering peripheral reset and fast-charge negotiation. Use Value: Enables true "charge-only" USB ports with zero software intervention and full BC 1.2/Apple compatibility. |
Use Scenario: A powered USB 3.0 hub delivers up to 1.5A to multiple attached phones simultaneously while maintaining USB 2.0 data throughput. IC Role / Device Role / Timing Role: MAX14600ETA+GH7 performs CDP emulation in S0 state, allowing each downstream port to negotiate 1.5A independently via DP/DM voltage sensing. Use Value: Eliminates need for discrete resistor networks and manual mode switching, reducing BOM count and layout area. |
| Flat-Panel Display USB Port | Media Player Docking Station |
Use Scenario: An HDMI monitor with integrated USB-A ports charges tablets and phones while displaying video, even when the host PC is powered off. IC Role / Device Role / Timing Role: MAX14600ETA+GH7 operates in FM mode (CB0=0V, CB1=VIH) to force DP/DM shorting, enabling dedicated charging without host involvement. Use Value: Provides robust, standards-compliant charging independent of host OS or firmware state. |
Use Scenario: A portable media player dock identifies whether an attached iPod is a BC 1.2 device or Apple-specific model and configures optimal charge current. IC Role / Device Role / Timing Role: MAX14600ETA+GH7 uses autodetection mode (CB0=CB1=0V) to monitor DM/DP voltages and dynamically select DCP or CDP emulation. Use Value: Delivers correct charge profile without user configuration or firmware updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB host charger identification applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX14603ETA+T | Same pinout and package; includes remote wake-up support (S3→S0) and nMOSFET CEN output | Required for systems needing wake-from-standby via USB device attach/detach | Select MAX14603ETA+T if remote wake-up is mandatory; MAX14600ETA+GH7 lacks this feature and uses pMOSFET CEN |
| MAX14566EETA+ | Legacy second-gen device; no CB1 pin (CB0-only control); 5.5Ω typical RON; no remote wake-up or BC 1.2 revision support | Suitable only for basic CDP emulation upgrades where backward compatibility is critical | Choose MAX14566EETA+ only for drop-in replacement in legacy designs; MAX14600ETA+GH7 adds BC 1.2, lower RON, and tighter threshold tolerances |
Compared with MAX14603ETA+T, MAX14600ETA+GH7 offers simpler control (no wake-up logic overhead) and pMOSFET CEN polarity, while MAX14566EETA+ trades modern BC 1.2 compliance for proven field reliability in cost-sensitive legacy platforms.
Availability
MAX14600ETA+GH7 is available at Aetrix Electronics and suitable for laptop USB charging ports, desktop USB hubs, and flat-panel display embedded charging systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for MAX14600ETA+GH7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for computing, industrial, and communications applications.
The MAX14600ETA+GH7 belongs to Maxim's USB host charger identification product line, engineered specifically to replace discrete resistor networks and enable standards-compliant, firmware-free charging in USB-enabled host systems.
FAQ
What is the primary function of the MAX14600ETA+GH7 in a USB host system?
The MAX14600ETA+GH7 serves as a USB host charger identification and adapter emulator IC. It enables USB hosts like laptops and hubs to detect and negotiate charging with downstream devices-including Apple, BC 1.2, and YD/T1591-2009-compliant peripherals-without requiring host CPU intervention or firmware updates. The MAX14600ETA+GH7 performs this by emulating CDP, SDP, and DCP modes using internal comparators and resistor networks, and it controls peripheral reset via its CEN output.
Does the MAX14600ETA+GH7 support remote wake-up from S3 standby?
No, the MAX14600ETA+GH7 does not support remote wake-up from S3/S4/S5 states. Remote wake-up is explicitly supported only in the MAX14603/MAX14604/MAX14605/MAX14618 variants. The MAX14600ETA+GH7 is designed for CDP/DCP emulation and VBUS toggle functionality in both active (S0) and standby (S3–S5) states but lacks the hardware logic required to assert wake signals upon peripheral attach/detach during suspend.
What is the role of the CEN pin on the MAX14600ETA+GH7?
The CEN pin on the MAX14600ETA+GH7 is an active-low pMOSFET open-drain output used to control the current-limit switch (CLS) in the USB VBUS path. When CB0 transitions (rising or falling edge), the MAX14600ETA+GH7 asserts CEN for 1–3 seconds (typ), toggling VBUS to reset attached peripherals. This enables reliable re-enumeration after host sleep/wake cycles. The MAX14600ETA+GH7's CEN is pMOSFET-based, distinguishing it from nMOSFET variants like MAX14603ETA+T.
How does the MAX14600ETA+GH7 handle Apple-specific charging requirements?
The MAX14600ETA+GH7 satisfies Apple charging specifications through an integrated, factory-trimmed resistor-divider network (RP1/RP2 ratio 1.4–1.55×, RPD = 320–730kΩ) that biases DP and DM to Apple-dock-compliant voltage levels. It supports both standard Apple 500mA and 1A/2.1A profiles depending on host configuration and mode selection (AM/FM/CM). No external resistors are needed, and the network disconnects automatically in pass-through mode to minimize quiescent current.
Can the MAX14600ETA+GH7 be used in USB 3.0 or USB-C applications?
The MAX14600ETA+GH7 is designed exclusively for USB 2.0 data-line (DP/DM) charging identification and does not interface with USB 3.0 SuperSpeed lanes (SSTX/SRX) or USB-C CC logic. It can be deployed alongside USB 3.0 hubs or USB-C DRP controllers to manage legacy USB-A port charging, but it provides no native support for USB-C PD negotiation, alternate modes, or VCONN. Its signal path is limited to DP/DM and VBUS control.
MAX14600ETA+GH7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
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- Packaging:
- Bulk
- Product Status:
- Obsolete
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MAX14600ETA+GH7 FAQ
1.How can I place an order for MAX14600ETA+GH7 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14600ETA+GH7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX14600ETA+GH7 reliable?
The price and inventory of MAX14600ETA+GH7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14600ETA+GH7 is usually 5 days.
3.What payment methods are accepted for MAX14600ETA+GH7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14600ETA+GH7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14600ETA+GH7?
MAX14600ETA+GH7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14600ETA+GH7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX14600ETA+GH7?
For technical support, including MAX14600ETA+GH7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14600ETA+GH7 requirements.
6.How does Aetrix verify that MAX14600ETA+GH7 is sourced from the original manufacturer or authorized distributors?
All MAX14600ETA+GH7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX14600ETA+GH7 meets industry standards.
7.What is the process for return or replacement of MAX14600ETA+GH7?
All MAX14600ETA+GH7 units undergo pre-shipment inspection (PSI). If there is an issue with MAX14600ETA+GH7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX14600ETA+GH7 part is unused and in its original packaging.
Return procedure for MAX14600ETA+GH7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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