SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549

                                  SCHEDULE 13G
                                   Amendment 1

                  Under the Securities and Exchange Act of 1934

                                  Techwell Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    87874D101
                                 (CUSIP Number)

                                  June 30, 2009
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

     This Schedule is filed pursuant to Rule 13d-1(b)

The information required in the remainder of this cover page (except any items
to which the form provides a cross-reference) shall not be deemed to be "filed"
for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that section of the Act but shall be
subject to all other provisions of the Act.



CUSIP NO. 87874D101

--------------------------------------------------------------------------------
1)   Name of Reporting Person
     Ameriprise Financial, Inc.

     S.S. or I.R.S. Identification No. of Above Person
     IRS No. 13-3180631
--------------------------------------------------------------------------------
2)   Check the Appropriate Box if a Member of a Group

     (a) [ ]
     (b) [X]*
--------------------------------------------------------------------------------
3)   SEC Use Only

--------------------------------------------------------------------------------
4)   Citizenship or Place of Organization

     Delaware
--------------------------------------------------------------------------------
               5)   Sole Voting Power

                    -0-
               -----------------------------------------------------------------
  NUMBER OF    6)   Shared Voting Power
   SHARES
BENEFICIALLY        -0-
  OWNED BY     -----------------------------------------------------------------
    EACH       7)   Sole Dispositive Power
 REPORTING
  PERSON            -0-
   WITH        -----------------------------------------------------------------
               8)   Shared Dispositive Power

                    1,642,524
--------------------------------------------------------------------------------
9)   Aggregate Amount Beneficially Owned by Each Reporting Person

     1,642,524
--------------------------------------------------------------------------------
10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares

     Not Applicable
--------------------------------------------------------------------------------
11)  Percent of Class Represented by Amount In Row (9)

     7.65%
--------------------------------------------------------------------------------
12)  Type of Reporting Person

     CO
--------------------------------------------------------------------------------

*    This filing describes the reporting person's relationship with other
     persons, but the reporting person does not affirm the existence of a group.



CUSIP NO. 87874D101

--------------------------------------------------------------------------------
1)   Name of Reporting Person
     RiverSource Investments, LLC

     S.S. or I.R.S. Identification No. of Above Person
     IRS No. 13-3180631
--------------------------------------------------------------------------------
2)   Check the Appropriate Box if a Member of a Group

     (a) [ ]
     (b) [X]*
--------------------------------------------------------------------------------
3)   SEC Use Only

--------------------------------------------------------------------------------
4)   Citizenship or Place of Organization

     Minnesota
--------------------------------------------------------------------------------
              5)   Sole Voting Power

                   -0-
              ------------------------------------------------------------------
  NUMBER OF   6)   Shared Voting Power
   SHARES
BENEFICIALLY       -0-
  OWNED BY    ------------------------------------------------------------------
    EACH      7)   Sole Dispositive Power
 REPORTING
  PERSON           -0-
   WITH       ------------------------------------------------------------------
              8)   Shared Dispositive Power

                   1,642,524
--------------------------------------------------------------------------------
9)   Aggregate Amount Beneficially Owned by Each Reporting Person

     1,642,524
--------------------------------------------------------------------------------
10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares

     Not Applicable
--------------------------------------------------------------------------------
11)  Percent of Class Represented by Amount In Row (9)

     7.65%
--------------------------------------------------------------------------------
12)  Type of Reporting Person

     IA
--------------------------------------------------------------------------------

*    This filing describes the reporting person's relationship with other
     persons, but the reporting person does not affirm the existence of a group.



CUSIP NO. 87874D101

--------------------------------------------------------------------------------
1)   Name of Reporting Person
     Seligman Spectrum Focus Fund, Inc.

     S.S. or I.R.S. Identification No. of Above Person
     IRS No. 98-0361992
--------------------------------------------------------------------------------

2)   Check the Appropriate Box if a Member of a Group

     (a) [ ]
     (b) [X]*
--------------------------------------------------------------------------------
3)   SEC Use Only

--------------------------------------------------------------------------------
4)   Citizenship or Place of Organization

     Maryland
--------------------------------------------------------------------------------
              5)   Sole Voting Power

                   716,819
              ------------------------------------------------------------------
  NUMBER OF   6)   Shared Voting Power
   SHARES
BENEFICIALLY       -0-
  OWNED BY    ------------------------------------------------------------------
    EACH      7)   Sole Dispositive Power
 REPORTING
  PERSON           -0-
   WITH       ------------------------------------------------------------------
              8)   Shared Dispositive Power

                   716,819
--------------------------------------------------------------------------------
9)   Aggregate Amount Beneficially Owned by Each Reporting Person

     716,819
--------------------------------------------------------------------------------
10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares

     Not Applicable
--------------------------------------------------------------------------------
11)  Percent of Class Represented by Amount In Row (9)

     3.34%
--------------------------------------------------------------------------------
12)  Type of Reporting Person

     IV
--------------------------------------------------------------------------------

*    This filing describes the reporting person's relationship with other
     persons, but the reporting person does not affirm the existence of a group.



1(a) Name of Issuer:                         Techwell Inc.

1(b) Address of Issuer's Principal           408 East Plumeria Drive
     Executive Offices:                      San Jose, CA 95134

2(a) Name of Person Filing:                  (a)  Ameriprise Financial, Inc.
                                                  ("AFI")

                                             (b)  RiverSource Investments, LLC
                                                  ("RvS")

                                             (c)  Seligman Spectrum Focus Fund
                                                  Inc. ("Focus Fund")

2(b) Address of Principal Business Office:

                                             c/o Ameriprise Financial, Inc.
                                             145 Ameriprise Financial Center
                                             Minneapolis, MN 55474

2(c) Citizenship:                            (a)  Delaware

                                             (b)  Minnesota

                                             (c)  Maryland

2(d) Title of Class of Securities:           Common Stock

2(e) Cusip Number:                           87874D101

3    Information if statement is filed pursuant to Rules 13d-1(b) or 13d-2(b):

     (a)  Ameriprise Financial, Inc.

          A parent holding company in accordance with Rule 13d-1(b)(1)(ii)(G).
          (Note: See Item 7)

     (b)  RiverSource Investments, LLC

          An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E)

     (c)  Seligman Spectrum Focus Fund, Inc.

          An investment company registered under Section 8 of the Investment
          Company Act of 1940.

4    Incorporated by reference to Items (5)-(9) and (11) of the cover page
     pertaining to each reporting person.

     RvS, as an investment adviser to the Focus Fund, may be deemed to
     beneficially own the shares reported herein by the Focus Fund. Accordingly,
     the shares reported herein by RvS include those shares separately reported
     herein by the TechFund.



     AFI, as the parent company of RvS, may be deemed to beneficially own the
     shares reported herein by RvS. Accordingly, the shares reported herein by
     AFI include those shares separately reported herein by RvS.

     Each of Ameriprise Financial, Inc. and RiverSource Investments, LLC , and
     the subsidiaries identified on the attached Exhibit I, disclaims beneficial
     ownership of any shares reported on this Schedule.

5    Ownership of 5% or Less of a Class: Not Applicable

6    Ownership of more than 5% on Behalf of Another Person: Not Applicable

7    Identification and Classification of the Subsidiary Which Acquired the
     Security Being Reported on by the Parent Holding Company:

     AFI: See Exhibit I

8    Identification and Classification of Members of the Group:

                                 Not Applicable

9    Notice of Dissolution of Group:

                                 Not Applicable

10   Certification:

          By signing below I certify that, to the best of my knowledge and
     belief, the securities referred to above were acquired in the ordinary
     course of business and were not acquired for the purpose of and do not have
     the effect of changing or influencing the control of the issuer of such
     securities and were not acquired in connection with or as a participant in
     any transaction having such purposes or effect.



Signature

     After reasonable inquiry and to the best of my knowledge and belief, I
     certify that the information set forth in this statement is true, complete
     and correct.

Dated: July 10, 2009

                                        Ameriprise Financial, Inc.


                                        By /s/ Wade M. Voigt
                                           -------------------------------------
                                        Name: Wade M. Voigt
                                        Title: Director - Fund Administration

                                        Contact Information
                                           Wade M. Voigt
                                           Director - Fund Administration
                                           Telephone: (612) 671-5682



                                  Exhibit Index

Exhibit I  Identification and Classification of the Subsidiary which Acquired
           the Security Being Reported on by the Parent Holding Company.

Exhibit II Joint Filing Agreement



                                    Exhibit I

                                       to

                                  Schedule 13G

Ameriprise Financial, Inc., a Delaware Corporation, is a parent holding company.
The classification and identity of the relevant subsidiaries is as follows:

Investment Company - RiverSource Funds and Seligman Funds, comprised of
investment companies registered under section 8 of the Investment Company Act of
1940

Investment Adviser - RiverSource Investments, LLC and Kenwood Capital Management
LLC, each an investment adviser registered under section 203 of the Investment
Advisers Act of 1940.



                                   Exhibit II

                                       to

                                  Schedule 13G

                             Joint Filing Agreement

The undersigned persons agree and consent to the joint filing on their behalf of
this Schedule 13G dated July 10, 2009 in connection with their beneficial
ownership of Techwell Inc. Each of Seligman Spectrum Focus Fund, Inc. and
RiverSource Investments, LLC authorizes Ameriprise Financial, Inc. to execute
the Schedule 13G to which this Exhibit is attached and make any necessary
amendments thereto.

Ameriprise Financial, Inc.


By: /s/ Wade M. Voigt
    Wade M. Voigt
    Director - Fund Administration


Seligman Spectrum Focus Fund, Inc.


By: /s/ Scott R. Plummer
    Scott R. Plummer
    General Counsel


RiverSource Investments, LLC


By: /s/ Amy Johnson
    Amy Johnson
    Chief Administrative Officer